mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-24 12:44:11 +08:00
perf/core improvements and fixes:
perf c2c:
Jiri Olsa:
- Change the default coalesce setup to from '--coalesce pid,iaddr' to just '--coalesce iaddr'.
- Increase the HITM ratio limit for displayed cachelines.
perf script:
Andi Kleen:
- Fix LBR skid dump problems in brstackinsn.
perf trace:
Arnaldo Carvalho de Melo:
- Check if the raw_syscalls:sys_{enter,exit} are setup before setting tp filter.
- Do not hardcode the size of the tracepoint common_ fields.
- Beautify USBDEFFS_ ioctl commands.
Colin Ian King:
- Use correct SECCOMP prefix spelling, "SECOMP_*" -> "SECCOMP_*".
perf python:
Jiri Olsa:
- Do not force closing original perf descriptor in evlist.get_pollfd().
tools misc:
Jiri Olsa:
- Allow overriding CFLAGS and LDFLAGS.
perf build:
Stanislav Fomichev:
- Don't unconditionally link the libbfd feature test to -liberty and -lz
thread-stack:
Adrian Hunter:
- Fix processing for the idle task, having a stack per cpu.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-4.21-20190103' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
perf c2c:
Jiri Olsa:
- Change the default coalesce setup to from '--coalesce pid,iaddr' to just '--coalesce iaddr'.
- Increase the HITM ratio limit for displayed cachelines.
perf script:
Andi Kleen:
- Fix LBR skid dump problems in brstackinsn.
perf trace:
Arnaldo Carvalho de Melo:
- Check if the raw_syscalls:sys_{enter,exit} are setup before setting tp filter.
- Do not hardcode the size of the tracepoint common_ fields.
- Beautify USBDEFFS_ ioctl commands.
Colin Ian King:
- Use correct SECCOMP prefix spelling, "SECOMP_*" -> "SECCOMP_*".
perf python:
Jiri Olsa:
- Do not force closing original perf descriptor in evlist.get_pollfd().
tools misc:
Jiri Olsa:
- Allow overriding CFLAGS and LDFLAGS.
perf build:
Stanislav Fomichev:
- Don't unconditionally link the libbfd feature test to -liberty and -lz
thread-stack:
Adrian Hunter:
- Fix processing for the idle task, having a stack per cpu.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
commit
2573be22e5
@ -82,8 +82,8 @@ FEATURE_TESTS_EXTRA := \
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cplus-demangle \
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hello \
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libbabeltrace \
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liberty \
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liberty-z \
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libbfd-liberty \
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libbfd-liberty-z \
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libunwind-debug-frame \
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libunwind-debug-frame-arm \
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libunwind-debug-frame-aarch64 \
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@ -17,8 +17,8 @@ FILES= \
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test-libbfd.bin \
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test-disassembler-four-args.bin \
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test-reallocarray.bin \
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test-liberty.bin \
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test-liberty-z.bin \
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test-libbfd-liberty.bin \
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test-libbfd-liberty-z.bin \
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test-cplus-demangle.bin \
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test-libelf.bin \
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test-libelf-getphdrnum.bin \
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@ -210,7 +210,7 @@ $(OUTPUT)test-libpython-version.bin:
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$(BUILD)
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$(OUTPUT)test-libbfd.bin:
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$(BUILD) -DPACKAGE='"perf"' -lbfd -lz -liberty -ldl
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$(BUILD) -DPACKAGE='"perf"' -lbfd -ldl
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$(OUTPUT)test-disassembler-four-args.bin:
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$(BUILD) -DPACKAGE='"perf"' -lbfd -lopcodes
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@ -218,10 +218,10 @@ $(OUTPUT)test-disassembler-four-args.bin:
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$(OUTPUT)test-reallocarray.bin:
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$(BUILD)
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$(OUTPUT)test-liberty.bin:
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$(OUTPUT)test-libbfd-liberty.bin:
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$(CC) $(CFLAGS) -Wall -Werror -o $@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty
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$(OUTPUT)test-liberty-z.bin:
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$(OUTPUT)test-libbfd-liberty-z.bin:
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$(CC) $(CFLAGS) -Wall -Werror -o $@ test-libbfd.c -DPACKAGE='"perf"' $(LDFLAGS) -lbfd -ldl -liberty -lz
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$(OUTPUT)test-cplus-demangle.bin:
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@ -12,7 +12,7 @@ endif
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# (this improves performance and avoids hard-to-debug behaviour);
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MAKEFLAGS += -r
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CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
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override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
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ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon
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ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
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201
tools/include/uapi/linux/usbdevice_fs.h
Normal file
201
tools/include/uapi/linux/usbdevice_fs.h
Normal file
@ -0,0 +1,201 @@
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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*****************************************************************************/
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/*
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* usbdevice_fs.h -- USB device file system.
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*
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* Copyright (C) 2000
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* Thomas Sailer (sailer@ife.ee.ethz.ch)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* History:
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* 0.1 04.01.2000 Created
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*/
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/*****************************************************************************/
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#ifndef _UAPI_LINUX_USBDEVICE_FS_H
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#define _UAPI_LINUX_USBDEVICE_FS_H
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#include <linux/types.h>
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#include <linux/magic.h>
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/* --------------------------------------------------------------------- */
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/* usbdevfs ioctl codes */
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struct usbdevfs_ctrltransfer {
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__u8 bRequestType;
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__u8 bRequest;
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__u16 wValue;
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__u16 wIndex;
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__u16 wLength;
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__u32 timeout; /* in milliseconds */
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void __user *data;
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};
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struct usbdevfs_bulktransfer {
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unsigned int ep;
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unsigned int len;
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unsigned int timeout; /* in milliseconds */
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void __user *data;
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};
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struct usbdevfs_setinterface {
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unsigned int interface;
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unsigned int altsetting;
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};
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struct usbdevfs_disconnectsignal {
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unsigned int signr;
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void __user *context;
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};
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#define USBDEVFS_MAXDRIVERNAME 255
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struct usbdevfs_getdriver {
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unsigned int interface;
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char driver[USBDEVFS_MAXDRIVERNAME + 1];
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};
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struct usbdevfs_connectinfo {
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unsigned int devnum;
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unsigned char slow;
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};
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#define USBDEVFS_URB_SHORT_NOT_OK 0x01
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#define USBDEVFS_URB_ISO_ASAP 0x02
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#define USBDEVFS_URB_BULK_CONTINUATION 0x04
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#define USBDEVFS_URB_NO_FSBR 0x20 /* Not used */
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#define USBDEVFS_URB_ZERO_PACKET 0x40
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#define USBDEVFS_URB_NO_INTERRUPT 0x80
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#define USBDEVFS_URB_TYPE_ISO 0
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#define USBDEVFS_URB_TYPE_INTERRUPT 1
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#define USBDEVFS_URB_TYPE_CONTROL 2
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#define USBDEVFS_URB_TYPE_BULK 3
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struct usbdevfs_iso_packet_desc {
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unsigned int length;
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unsigned int actual_length;
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unsigned int status;
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};
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struct usbdevfs_urb {
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unsigned char type;
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unsigned char endpoint;
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int status;
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unsigned int flags;
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void __user *buffer;
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int buffer_length;
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int actual_length;
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int start_frame;
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union {
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int number_of_packets; /* Only used for isoc urbs */
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unsigned int stream_id; /* Only used with bulk streams */
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};
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int error_count;
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unsigned int signr; /* signal to be sent on completion,
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or 0 if none should be sent. */
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void __user *usercontext;
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struct usbdevfs_iso_packet_desc iso_frame_desc[0];
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};
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/* ioctls for talking directly to drivers */
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struct usbdevfs_ioctl {
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int ifno; /* interface 0..N ; negative numbers reserved */
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int ioctl_code; /* MUST encode size + direction of data so the
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* macros in <asm/ioctl.h> give correct values */
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void __user *data; /* param buffer (in, or out) */
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};
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/* You can do most things with hubs just through control messages,
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* except find out what device connects to what port. */
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struct usbdevfs_hub_portinfo {
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char nports; /* number of downstream ports in this hub */
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char port [127]; /* e.g. port 3 connects to device 27 */
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};
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/* System and bus capability flags */
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#define USBDEVFS_CAP_ZERO_PACKET 0x01
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#define USBDEVFS_CAP_BULK_CONTINUATION 0x02
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#define USBDEVFS_CAP_NO_PACKET_SIZE_LIM 0x04
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#define USBDEVFS_CAP_BULK_SCATTER_GATHER 0x08
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#define USBDEVFS_CAP_REAP_AFTER_DISCONNECT 0x10
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#define USBDEVFS_CAP_MMAP 0x20
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#define USBDEVFS_CAP_DROP_PRIVILEGES 0x40
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/* USBDEVFS_DISCONNECT_CLAIM flags & struct */
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/* disconnect-and-claim if the driver matches the driver field */
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#define USBDEVFS_DISCONNECT_CLAIM_IF_DRIVER 0x01
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/* disconnect-and-claim except when the driver matches the driver field */
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#define USBDEVFS_DISCONNECT_CLAIM_EXCEPT_DRIVER 0x02
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struct usbdevfs_disconnect_claim {
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unsigned int interface;
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unsigned int flags;
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char driver[USBDEVFS_MAXDRIVERNAME + 1];
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};
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struct usbdevfs_streams {
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unsigned int num_streams; /* Not used by USBDEVFS_FREE_STREAMS */
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unsigned int num_eps;
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unsigned char eps[0];
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};
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/*
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* USB_SPEED_* values returned by USBDEVFS_GET_SPEED are defined in
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* linux/usb/ch9.h
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*/
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#define USBDEVFS_CONTROL _IOWR('U', 0, struct usbdevfs_ctrltransfer)
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#define USBDEVFS_CONTROL32 _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
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#define USBDEVFS_BULK _IOWR('U', 2, struct usbdevfs_bulktransfer)
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#define USBDEVFS_BULK32 _IOWR('U', 2, struct usbdevfs_bulktransfer32)
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#define USBDEVFS_RESETEP _IOR('U', 3, unsigned int)
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#define USBDEVFS_SETINTERFACE _IOR('U', 4, struct usbdevfs_setinterface)
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#define USBDEVFS_SETCONFIGURATION _IOR('U', 5, unsigned int)
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#define USBDEVFS_GETDRIVER _IOW('U', 8, struct usbdevfs_getdriver)
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#define USBDEVFS_SUBMITURB _IOR('U', 10, struct usbdevfs_urb)
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#define USBDEVFS_SUBMITURB32 _IOR('U', 10, struct usbdevfs_urb32)
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#define USBDEVFS_DISCARDURB _IO('U', 11)
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#define USBDEVFS_REAPURB _IOW('U', 12, void *)
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#define USBDEVFS_REAPURB32 _IOW('U', 12, __u32)
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#define USBDEVFS_REAPURBNDELAY _IOW('U', 13, void *)
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#define USBDEVFS_REAPURBNDELAY32 _IOW('U', 13, __u32)
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#define USBDEVFS_DISCSIGNAL _IOR('U', 14, struct usbdevfs_disconnectsignal)
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#define USBDEVFS_DISCSIGNAL32 _IOR('U', 14, struct usbdevfs_disconnectsignal32)
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#define USBDEVFS_CLAIMINTERFACE _IOR('U', 15, unsigned int)
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#define USBDEVFS_RELEASEINTERFACE _IOR('U', 16, unsigned int)
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#define USBDEVFS_CONNECTINFO _IOW('U', 17, struct usbdevfs_connectinfo)
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#define USBDEVFS_IOCTL _IOWR('U', 18, struct usbdevfs_ioctl)
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#define USBDEVFS_IOCTL32 _IOWR('U', 18, struct usbdevfs_ioctl32)
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#define USBDEVFS_HUB_PORTINFO _IOR('U', 19, struct usbdevfs_hub_portinfo)
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#define USBDEVFS_RESET _IO('U', 20)
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#define USBDEVFS_CLEAR_HALT _IOR('U', 21, unsigned int)
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#define USBDEVFS_DISCONNECT _IO('U', 22)
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#define USBDEVFS_CONNECT _IO('U', 23)
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#define USBDEVFS_CLAIM_PORT _IOR('U', 24, unsigned int)
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#define USBDEVFS_RELEASE_PORT _IOR('U', 25, unsigned int)
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#define USBDEVFS_GET_CAPABILITIES _IOR('U', 26, __u32)
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#define USBDEVFS_DISCONNECT_CLAIM _IOR('U', 27, struct usbdevfs_disconnect_claim)
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#define USBDEVFS_ALLOC_STREAMS _IOR('U', 28, struct usbdevfs_streams)
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#define USBDEVFS_FREE_STREAMS _IOR('U', 29, struct usbdevfs_streams)
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#define USBDEVFS_DROP_PRIVILEGES _IOW('U', 30, __u32)
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#define USBDEVFS_GET_SPEED _IO('U', 31)
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|
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#endif /* _UAPI_LINUX_USBDEVICE_FS_H */
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@ -702,18 +702,20 @@ endif
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|
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ifeq ($(feature-libbfd), 1)
|
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EXTLIBS += -lbfd
|
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else
|
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# we are on a system that requires -liberty and (maybe) -lz
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# to link against -lbfd; test each case individually here
|
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|
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# call all detections now so we get correct
|
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# status in VF output
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$(call feature_check,liberty)
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$(call feature_check,liberty-z)
|
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$(call feature_check,cplus-demangle)
|
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$(call feature_check,libbfd-liberty)
|
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$(call feature_check,libbfd-liberty-z)
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|
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ifeq ($(feature-liberty), 1)
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EXTLIBS += -liberty
|
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ifeq ($(feature-libbfd-liberty), 1)
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EXTLIBS += -lbfd -liberty
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else
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ifeq ($(feature-liberty-z), 1)
|
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EXTLIBS += -liberty -lz
|
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ifeq ($(feature-libbfd-liberty-z), 1)
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EXTLIBS += -lbfd -liberty -lz
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endif
|
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endif
|
||||
endif
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@ -723,24 +725,24 @@ ifdef NO_DEMANGLE
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else
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ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
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EXTLIBS += -liberty
|
||||
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
|
||||
else
|
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ifneq ($(feature-libbfd), 1)
|
||||
ifneq ($(feature-liberty), 1)
|
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ifneq ($(feature-liberty-z), 1)
|
||||
# we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
|
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# or any of 'bfd iberty z' trinity
|
||||
ifeq ($(feature-cplus-demangle), 1)
|
||||
EXTLIBS += -liberty
|
||||
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
|
||||
else
|
||||
msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
|
||||
CFLAGS += -DNO_DEMANGLE
|
||||
endif
|
||||
endif
|
||||
ifeq ($(filter -liberty,$(EXTLIBS)),)
|
||||
$(call feature_check,cplus-demangle)
|
||||
|
||||
# we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
|
||||
# or any of 'bfd iberty z' trinity
|
||||
ifeq ($(feature-cplus-demangle), 1)
|
||||
EXTLIBS += -liberty
|
||||
else
|
||||
msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
|
||||
CFLAGS += -DNO_DEMANGLE
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
|
||||
ifneq ($(filter -liberty,$(EXTLIBS)),)
|
||||
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
|
||||
endif
|
||||
endif
|
||||
|
||||
ifneq ($(filter -lbfd,$(EXTLIBS)),)
|
||||
|
||||
@ -497,6 +497,12 @@ prctl_option_tbl := $(srctree)/tools/perf/trace/beauty/prctl_option.sh
|
||||
$(prctl_option_array): $(prctl_hdr_dir)/prctl.h $(prctl_option_tbl)
|
||||
$(Q)$(SHELL) '$(prctl_option_tbl)' $(prctl_hdr_dir) > $@
|
||||
|
||||
usbdevfs_ioctl_array := $(beauty_ioctl_outdir)/usbdevfs_ioctl_array.c
|
||||
usbdevfs_ioctl_tbl := $(srctree)/tools/perf/trace/beauty/usbdevfs_ioctl.sh
|
||||
|
||||
$(usbdevfs_ioctl_array): $(linux_uapi_dir)/usbdevice_fs.h $(usbdevfs_ioctl_tbl)
|
||||
$(Q)$(SHELL) '$(usbdevfs_ioctl_tbl)' $(linux_uapi_dir) > $@
|
||||
|
||||
x86_arch_prctl_code_array := $(beauty_outdir)/x86_arch_prctl_code_array.c
|
||||
x86_arch_prctl_code_tbl := $(srctree)/tools/perf/trace/beauty/x86_arch_prctl.sh
|
||||
|
||||
@ -624,6 +630,7 @@ prepare: $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h archheaders $(drm_ioc
|
||||
$(mount_flags_array) \
|
||||
$(perf_ioctl_array) \
|
||||
$(prctl_option_array) \
|
||||
$(usbdevfs_ioctl_array) \
|
||||
$(x86_arch_prctl_code_array) \
|
||||
$(rename_flags_array) \
|
||||
$(arch_errno_name_array)
|
||||
@ -923,6 +930,7 @@ clean:: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clea
|
||||
$(OUTPUT)$(vhost_virtio_ioctl_array) \
|
||||
$(OUTPUT)$(perf_ioctl_array) \
|
||||
$(OUTPUT)$(prctl_option_array) \
|
||||
$(OUTPUT)$(usbdevfs_ioctl_array) \
|
||||
$(OUTPUT)$(x86_arch_prctl_code_array) \
|
||||
$(OUTPUT)$(rename_flags_array) \
|
||||
$(OUTPUT)$(arch_errno_name_array)
|
||||
|
||||
@ -68,7 +68,7 @@ struct c2c_hist_entry {
|
||||
struct hist_entry he;
|
||||
};
|
||||
|
||||
static char const *coalesce_default = "pid,iaddr";
|
||||
static char const *coalesce_default = "iaddr";
|
||||
|
||||
struct perf_c2c {
|
||||
struct perf_tool tool;
|
||||
@ -1878,7 +1878,7 @@ static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
|
||||
return hpp_list__parse(&c2c_hists->list, output, sort);
|
||||
}
|
||||
|
||||
#define DISPLAY_LINE_LIMIT 0.0005
|
||||
#define DISPLAY_LINE_LIMIT 0.001
|
||||
|
||||
static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
|
||||
{
|
||||
|
||||
@ -1073,9 +1073,18 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
|
||||
|
||||
/*
|
||||
* Print final block upto sample
|
||||
*
|
||||
* Due to pipeline delays the LBRs might be missing a branch
|
||||
* or two, which can result in very large or negative blocks
|
||||
* between final branch and sample. When this happens just
|
||||
* continue walking after the last TO until we hit a branch.
|
||||
*/
|
||||
start = br->entries[0].to;
|
||||
end = sample->ip;
|
||||
if (end < start) {
|
||||
/* Missing jump. Scan 128 bytes for the next branch */
|
||||
end = start + 128;
|
||||
}
|
||||
len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
|
||||
printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
|
||||
if (len <= 0) {
|
||||
@ -1084,7 +1093,6 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
|
||||
machine, thread, &x.is64bit, &x.cpumode, false);
|
||||
if (len <= 0)
|
||||
goto out;
|
||||
|
||||
printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
|
||||
dump_insn(&x, sample->ip, buffer, len, NULL));
|
||||
if (PRINT_FIELD(SRCCODE))
|
||||
@ -1096,6 +1104,13 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
|
||||
dump_insn(&x, start + off, buffer + off, len - off, &ilen));
|
||||
if (ilen == 0)
|
||||
break;
|
||||
if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
|
||||
/*
|
||||
* Hit a missing branch. Just stop.
|
||||
*/
|
||||
printed += fprintf(fp, "\t... not reaching sample ...\n");
|
||||
break;
|
||||
}
|
||||
if (PRINT_FIELD(SRCCODE))
|
||||
print_srccode(thread, x.cpumode, start + off);
|
||||
}
|
||||
@ -1167,7 +1182,7 @@ static int perf_sample__fprintf_callindent(struct perf_sample *sample,
|
||||
struct addr_location *al, FILE *fp)
|
||||
{
|
||||
struct perf_event_attr *attr = &evsel->attr;
|
||||
size_t depth = thread_stack__depth(thread);
|
||||
size_t depth = thread_stack__depth(thread, sample->cpu);
|
||||
const char *name = NULL;
|
||||
static int spacing;
|
||||
int len = 0;
|
||||
@ -1701,7 +1716,7 @@ static bool show_event(struct perf_sample *sample,
|
||||
struct thread *thread,
|
||||
struct addr_location *al)
|
||||
{
|
||||
int depth = thread_stack__depth(thread);
|
||||
int depth = thread_stack__depth(thread, sample->cpu);
|
||||
|
||||
if (!symbol_conf.graph_function)
|
||||
return true;
|
||||
|
||||
@ -60,6 +60,7 @@
|
||||
#include <linux/stringify.h>
|
||||
#include <linux/time64.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/sysmacros.h>
|
||||
|
||||
#include "sane_ctype.h"
|
||||
|
||||
@ -112,8 +113,9 @@ struct trace {
|
||||
} stats;
|
||||
unsigned int max_stack;
|
||||
unsigned int min_stack;
|
||||
bool sort_events;
|
||||
int raw_augmented_syscalls_args_size;
|
||||
bool raw_augmented_syscalls;
|
||||
bool sort_events;
|
||||
bool not_ev_qualifier;
|
||||
bool live;
|
||||
bool full_time;
|
||||
@ -283,12 +285,17 @@ out_delete:
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
static int perf_evsel__init_augmented_syscall_tp(struct perf_evsel *evsel)
|
||||
static int perf_evsel__init_augmented_syscall_tp(struct perf_evsel *evsel, struct perf_evsel *tp)
|
||||
{
|
||||
struct syscall_tp *sc = evsel->priv = malloc(sizeof(struct syscall_tp));
|
||||
|
||||
if (evsel->priv != NULL) { /* field, sizeof_field, offsetof_field */
|
||||
if (__tp_field__init_uint(&sc->id, sizeof(long), sizeof(long long), evsel->needs_swap))
|
||||
if (evsel->priv != NULL) {
|
||||
struct tep_format_field *syscall_id = perf_evsel__field(tp, "id");
|
||||
if (syscall_id == NULL)
|
||||
syscall_id = perf_evsel__field(tp, "__syscall_nr");
|
||||
if (syscall_id == NULL)
|
||||
goto out_delete;
|
||||
if (__tp_field__init_uint(&sc->id, syscall_id->size, syscall_id->offset, evsel->needs_swap))
|
||||
goto out_delete;
|
||||
|
||||
return 0;
|
||||
@ -974,9 +981,9 @@ struct thread_trace {
|
||||
char *name;
|
||||
} filename;
|
||||
struct {
|
||||
int max;
|
||||
char **table;
|
||||
} paths;
|
||||
int max;
|
||||
struct file *table;
|
||||
} files;
|
||||
|
||||
struct intlist *syscall_stats;
|
||||
};
|
||||
@ -986,7 +993,7 @@ static struct thread_trace *thread_trace__new(void)
|
||||
struct thread_trace *ttrace = zalloc(sizeof(struct thread_trace));
|
||||
|
||||
if (ttrace)
|
||||
ttrace->paths.max = -1;
|
||||
ttrace->files.max = -1;
|
||||
|
||||
ttrace->syscall_stats = intlist__new(NULL);
|
||||
|
||||
@ -1030,30 +1037,48 @@ void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg,
|
||||
|
||||
static const size_t trace__entry_str_size = 2048;
|
||||
|
||||
static struct file *thread_trace__files_entry(struct thread_trace *ttrace, int fd)
|
||||
{
|
||||
if (fd > ttrace->files.max) {
|
||||
struct file *nfiles = realloc(ttrace->files.table, (fd + 1) * sizeof(struct file));
|
||||
|
||||
if (nfiles == NULL)
|
||||
return NULL;
|
||||
|
||||
if (ttrace->files.max != -1) {
|
||||
memset(nfiles + ttrace->files.max + 1, 0,
|
||||
(fd - ttrace->files.max) * sizeof(struct file));
|
||||
} else {
|
||||
memset(nfiles, 0, (fd + 1) * sizeof(struct file));
|
||||
}
|
||||
|
||||
ttrace->files.table = nfiles;
|
||||
ttrace->files.max = fd;
|
||||
}
|
||||
|
||||
return ttrace->files.table + fd;
|
||||
}
|
||||
|
||||
struct file *thread__files_entry(struct thread *thread, int fd)
|
||||
{
|
||||
return thread_trace__files_entry(thread__priv(thread), fd);
|
||||
}
|
||||
|
||||
static int trace__set_fd_pathname(struct thread *thread, int fd, const char *pathname)
|
||||
{
|
||||
struct thread_trace *ttrace = thread__priv(thread);
|
||||
struct file *file = thread_trace__files_entry(ttrace, fd);
|
||||
|
||||
if (fd > ttrace->paths.max) {
|
||||
char **npath = realloc(ttrace->paths.table, (fd + 1) * sizeof(char *));
|
||||
|
||||
if (npath == NULL)
|
||||
return -1;
|
||||
|
||||
if (ttrace->paths.max != -1) {
|
||||
memset(npath + ttrace->paths.max + 1, 0,
|
||||
(fd - ttrace->paths.max) * sizeof(char *));
|
||||
} else {
|
||||
memset(npath, 0, (fd + 1) * sizeof(char *));
|
||||
}
|
||||
|
||||
ttrace->paths.table = npath;
|
||||
ttrace->paths.max = fd;
|
||||
if (file != NULL) {
|
||||
struct stat st;
|
||||
if (stat(pathname, &st) == 0)
|
||||
file->dev_maj = major(st.st_rdev);
|
||||
file->pathname = strdup(pathname);
|
||||
if (file->pathname)
|
||||
return 0;
|
||||
}
|
||||
|
||||
ttrace->paths.table[fd] = strdup(pathname);
|
||||
|
||||
return ttrace->paths.table[fd] != NULL ? 0 : -1;
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int thread__read_fd_path(struct thread *thread, int fd)
|
||||
@ -1093,7 +1118,7 @@ static const char *thread__fd_path(struct thread *thread, int fd,
|
||||
if (fd < 0)
|
||||
return NULL;
|
||||
|
||||
if ((fd > ttrace->paths.max || ttrace->paths.table[fd] == NULL)) {
|
||||
if ((fd > ttrace->files.max || ttrace->files.table[fd].pathname == NULL)) {
|
||||
if (!trace->live)
|
||||
return NULL;
|
||||
++trace->stats.proc_getname;
|
||||
@ -1101,7 +1126,7 @@ static const char *thread__fd_path(struct thread *thread, int fd,
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return ttrace->paths.table[fd];
|
||||
return ttrace->files.table[fd].pathname;
|
||||
}
|
||||
|
||||
size_t syscall_arg__scnprintf_fd(char *bf, size_t size, struct syscall_arg *arg)
|
||||
@ -1140,8 +1165,8 @@ static size_t syscall_arg__scnprintf_close_fd(char *bf, size_t size,
|
||||
size_t printed = syscall_arg__scnprintf_fd(bf, size, arg);
|
||||
struct thread_trace *ttrace = thread__priv(arg->thread);
|
||||
|
||||
if (ttrace && fd >= 0 && fd <= ttrace->paths.max)
|
||||
zfree(&ttrace->paths.table[fd]);
|
||||
if (ttrace && fd >= 0 && fd <= ttrace->files.max)
|
||||
zfree(&ttrace->files.table[fd].pathname);
|
||||
|
||||
return printed;
|
||||
}
|
||||
@ -1768,16 +1793,16 @@ static int trace__fprintf_sample(struct trace *trace, struct perf_evsel *evsel,
|
||||
return printed;
|
||||
}
|
||||
|
||||
static void *syscall__augmented_args(struct syscall *sc, struct perf_sample *sample, int *augmented_args_size, bool raw_augmented)
|
||||
static void *syscall__augmented_args(struct syscall *sc, struct perf_sample *sample, int *augmented_args_size, int raw_augmented_args_size)
|
||||
{
|
||||
void *augmented_args = NULL;
|
||||
/*
|
||||
* For now with BPF raw_augmented we hook into raw_syscalls:sys_enter
|
||||
* and there we get all 6 syscall args plus the tracepoint common
|
||||
* fields (sizeof(long)) and the syscall_nr (another long). So we check
|
||||
* if that is the case and if so don't look after the sc->args_size,
|
||||
* but always after the full raw_syscalls:sys_enter payload, which is
|
||||
* fixed.
|
||||
* and there we get all 6 syscall args plus the tracepoint common fields
|
||||
* that gets calculated at the start and the syscall_nr (another long).
|
||||
* So we check if that is the case and if so don't look after the
|
||||
* sc->args_size but always after the full raw_syscalls:sys_enter payload,
|
||||
* which is fixed.
|
||||
*
|
||||
* We'll revisit this later to pass s->args_size to the BPF augmenter
|
||||
* (now tools/perf/examples/bpf/augmented_raw_syscalls.c, so that it
|
||||
@ -1785,7 +1810,7 @@ static void *syscall__augmented_args(struct syscall *sc, struct perf_sample *sam
|
||||
* use syscalls:sys_enter_NAME, so that we reduce the kernel/userspace
|
||||
* traffic to just what is needed for each syscall.
|
||||
*/
|
||||
int args_size = raw_augmented ? (8 * (int)sizeof(long)) : sc->args_size;
|
||||
int args_size = raw_augmented_args_size ?: sc->args_size;
|
||||
|
||||
*augmented_args_size = sample->raw_size - args_size;
|
||||
if (*augmented_args_size > 0)
|
||||
@ -1839,7 +1864,7 @@ static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel,
|
||||
* here and avoid using augmented syscalls when the evsel is the raw_syscalls one.
|
||||
*/
|
||||
if (evsel != trace->syscalls.events.sys_enter)
|
||||
augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size, trace->raw_augmented_syscalls);
|
||||
augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size, trace->raw_augmented_syscalls_args_size);
|
||||
ttrace->entry_time = sample->time;
|
||||
msg = ttrace->entry_str;
|
||||
printed += scnprintf(msg + printed, trace__entry_str_size - printed, "%s(", sc->name);
|
||||
@ -1897,7 +1922,7 @@ static int trace__fprintf_sys_enter(struct trace *trace, struct perf_evsel *evse
|
||||
goto out_put;
|
||||
|
||||
args = perf_evsel__sc_tp_ptr(evsel, args, sample);
|
||||
augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size, trace->raw_augmented_syscalls);
|
||||
augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size, trace->raw_augmented_syscalls_args_size);
|
||||
syscall__scnprintf_args(sc, msg, sizeof(msg), args, augmented_args, augmented_args_size, trace, thread);
|
||||
fprintf(trace->output, "%s", msg);
|
||||
err = 0;
|
||||
@ -2686,7 +2711,9 @@ static int trace__set_ev_qualifier_filter(struct trace *trace)
|
||||
{
|
||||
if (trace->syscalls.map)
|
||||
return trace__set_ev_qualifier_bpf_filter(trace);
|
||||
return trace__set_ev_qualifier_tp_filter(trace);
|
||||
if (trace->syscalls.events.sys_enter)
|
||||
return trace__set_ev_qualifier_tp_filter(trace);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int bpf_map__set_filter_pids(struct bpf_map *map __maybe_unused,
|
||||
@ -3812,13 +3839,6 @@ int cmd_trace(int argc, const char **argv)
|
||||
* syscall.
|
||||
*/
|
||||
if (trace.syscalls.events.augmented) {
|
||||
evsel = trace.syscalls.events.augmented;
|
||||
|
||||
if (perf_evsel__init_augmented_syscall_tp(evsel) ||
|
||||
perf_evsel__init_augmented_syscall_tp_args(evsel))
|
||||
goto out;
|
||||
evsel->handler = trace__sys_enter;
|
||||
|
||||
evlist__for_each_entry(trace.evlist, evsel) {
|
||||
bool raw_syscalls_sys_exit = strcmp(perf_evsel__name(evsel), "raw_syscalls:sys_exit") == 0;
|
||||
|
||||
@ -3827,9 +3847,41 @@ int cmd_trace(int argc, const char **argv)
|
||||
goto init_augmented_syscall_tp;
|
||||
}
|
||||
|
||||
if (strcmp(perf_evsel__name(evsel), "raw_syscalls:sys_enter") == 0) {
|
||||
struct perf_evsel *augmented = trace.syscalls.events.augmented;
|
||||
if (perf_evsel__init_augmented_syscall_tp(augmented, evsel) ||
|
||||
perf_evsel__init_augmented_syscall_tp_args(augmented))
|
||||
goto out;
|
||||
augmented->handler = trace__sys_enter;
|
||||
}
|
||||
|
||||
if (strstarts(perf_evsel__name(evsel), "syscalls:sys_exit_")) {
|
||||
struct syscall_tp *sc;
|
||||
init_augmented_syscall_tp:
|
||||
perf_evsel__init_augmented_syscall_tp(evsel);
|
||||
if (perf_evsel__init_augmented_syscall_tp(evsel, evsel))
|
||||
goto out;
|
||||
sc = evsel->priv;
|
||||
/*
|
||||
* For now with BPF raw_augmented we hook into
|
||||
* raw_syscalls:sys_enter and there we get all
|
||||
* 6 syscall args plus the tracepoint common
|
||||
* fields and the syscall_nr (another long).
|
||||
* So we check if that is the case and if so
|
||||
* don't look after the sc->args_size but
|
||||
* always after the full raw_syscalls:sys_enter
|
||||
* payload, which is fixed.
|
||||
*
|
||||
* We'll revisit this later to pass
|
||||
* s->args_size to the BPF augmenter (now
|
||||
* tools/perf/examples/bpf/augmented_raw_syscalls.c,
|
||||
* so that it copies only what we need for each
|
||||
* syscall, like what happens when we use
|
||||
* syscalls:sys_enter_NAME, so that we reduce
|
||||
* the kernel/userspace traffic to just what is
|
||||
* needed for each syscall.
|
||||
*/
|
||||
if (trace.raw_augmented_syscalls)
|
||||
trace.raw_augmented_syscalls_args_size = (6 + 1) * sizeof(long) + sc->id.offset;
|
||||
perf_evsel__init_augmented_syscall_tp_ret(evsel);
|
||||
evsel->handler = trace__sys_exit;
|
||||
}
|
||||
|
||||
@ -14,6 +14,7 @@ include/uapi/linux/perf_event.h
|
||||
include/uapi/linux/prctl.h
|
||||
include/uapi/linux/sched.h
|
||||
include/uapi/linux/stat.h
|
||||
include/uapi/linux/usbdevice_fs.h
|
||||
include/uapi/linux/vhost.h
|
||||
include/uapi/sound/asound.h
|
||||
include/linux/bits.h
|
||||
|
||||
@ -32,6 +32,13 @@ size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, boo
|
||||
struct trace;
|
||||
struct thread;
|
||||
|
||||
struct file {
|
||||
char *pathname;
|
||||
int dev_maj;
|
||||
};
|
||||
|
||||
struct file *thread__files_entry(struct thread *thread, int fd);
|
||||
|
||||
struct strarrays {
|
||||
int nr_entries;
|
||||
struct strarray **entries;
|
||||
|
||||
@ -112,6 +112,17 @@ static size_t ioctl__scnprintf_perf_cmd(int nr, int dir, char *bf, size_t size)
|
||||
return scnprintf(bf, size, "(%#x, %#x, %#x)", 0xAE, nr, dir);
|
||||
}
|
||||
|
||||
static size_t ioctl__scnprintf_usbdevfs_cmd(int nr, int dir, char *bf, size_t size)
|
||||
{
|
||||
#include "trace/beauty/generated/ioctl/usbdevfs_ioctl_array.c"
|
||||
static DEFINE_STRARRAY(usbdevfs_ioctl_cmds, "");
|
||||
|
||||
if (nr < strarray__usbdevfs_ioctl_cmds.nr_entries && strarray__usbdevfs_ioctl_cmds.entries[nr] != NULL)
|
||||
return scnprintf(bf, size, "USBDEVFS_%s", strarray__usbdevfs_ioctl_cmds.entries[nr]);
|
||||
|
||||
return scnprintf(bf, size, "(%c, %#x, %#x)", 'U', nr, dir);
|
||||
}
|
||||
|
||||
static size_t ioctl__scnprintf_cmd(unsigned long cmd, char *bf, size_t size, bool show_prefix)
|
||||
{
|
||||
const char *prefix = "_IOC_";
|
||||
@ -157,9 +168,20 @@ static size_t ioctl__scnprintf_cmd(unsigned long cmd, char *bf, size_t size, boo
|
||||
return printed + scnprintf(bf + printed, size - printed, ", %#x, %#x, %#x)", type, nr, sz);
|
||||
}
|
||||
|
||||
#ifndef USB_DEVICE_MAJOR
|
||||
#define USB_DEVICE_MAJOR 189
|
||||
#endif // USB_DEVICE_MAJOR
|
||||
|
||||
size_t syscall_arg__scnprintf_ioctl_cmd(char *bf, size_t size, struct syscall_arg *arg)
|
||||
{
|
||||
unsigned long cmd = arg->val;
|
||||
unsigned int fd = syscall_arg__val(arg, 0);
|
||||
struct file *file = thread__files_entry(arg->thread, fd);
|
||||
|
||||
if (file != NULL) {
|
||||
if (file->dev_maj == USB_DEVICE_MAJOR)
|
||||
return ioctl__scnprintf_usbdevfs_cmd(_IOC_NR(cmd), _IOC_DIR(cmd), bf, size);
|
||||
}
|
||||
|
||||
return ioctl__scnprintf_cmd(cmd, bf, size, arg->show_string_prefix);
|
||||
}
|
||||
|
||||
@ -18,8 +18,8 @@ static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
|
||||
}
|
||||
|
||||
P_MMAP_PROT(READ);
|
||||
P_MMAP_PROT(EXEC);
|
||||
P_MMAP_PROT(WRITE);
|
||||
P_MMAP_PROT(EXEC);
|
||||
P_MMAP_PROT(SEM);
|
||||
P_MMAP_PROT(GROWSDOWN);
|
||||
P_MMAP_PROT(GROWSUP);
|
||||
|
||||
@ -9,7 +9,7 @@
|
||||
static size_t syscall_arg__scnprintf_seccomp_op(char *bf, size_t size, struct syscall_arg *arg)
|
||||
{
|
||||
bool show_prefix = arg->show_string_prefix;
|
||||
const char *prefix = "SECOMP_SET_MODE_";
|
||||
const char *prefix = "SECCOMP_SET_MODE_";
|
||||
int op = arg->val;
|
||||
size_t printed = 0;
|
||||
|
||||
@ -34,7 +34,7 @@ static size_t syscall_arg__scnprintf_seccomp_flags(char *bf, size_t size,
|
||||
struct syscall_arg *arg)
|
||||
{
|
||||
bool show_prefix = arg->show_string_prefix;
|
||||
const char *prefix = "SECOMP_FILTER_FLAG_";
|
||||
const char *prefix = "SECCOMP_FILTER_FLAG_";
|
||||
int printed = 0, flags = arg->val;
|
||||
|
||||
#define P_FLAG(n) \
|
||||
|
||||
19
tools/perf/trace/beauty/usbdevfs_ioctl.sh
Executable file
19
tools/perf/trace/beauty/usbdevfs_ioctl.sh
Executable file
@ -0,0 +1,19 @@
|
||||
#!/bin/sh
|
||||
# SPDX-License-Identifier: LGPL-2.1
|
||||
|
||||
[ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
|
||||
|
||||
printf "static const char *usbdevfs_ioctl_cmds[] = {\n"
|
||||
regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)[[:space:]]+_IO[WR]{0,2}\([[:space:]]*'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*"
|
||||
egrep $regex ${header_dir}/usbdevice_fs.h | egrep -v 'USBDEVFS_\w+32[[:space:]]' | \
|
||||
sed -r "s/$regex/\2 \1/g" | \
|
||||
sort | xargs printf "\t[%s] = \"%s\",\n"
|
||||
printf "};\n\n"
|
||||
printf "#if 0\n"
|
||||
printf "static const char *usbdevfs_ioctl_32_cmds[] = {\n"
|
||||
regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)[[:space:]]+_IO[WR]{0,2}\([[:space:]]*'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*"
|
||||
egrep $regex ${header_dir}/usbdevice_fs.h | egrep 'USBDEVFS_\w+32[[:space:]]' | \
|
||||
sed -r "s/$regex/\2 \1/g" | \
|
||||
sort | xargs printf "\t[%s] = \"%s\",\n"
|
||||
printf "};\n"
|
||||
printf "#endif\n"
|
||||
@ -13,3 +13,11 @@ const char *dump_insn(struct perf_insn *x __maybe_unused,
|
||||
*lenp = 0;
|
||||
return "?";
|
||||
}
|
||||
|
||||
__weak
|
||||
int arch_is_branch(const unsigned char *buf __maybe_unused,
|
||||
size_t len __maybe_unused,
|
||||
int x86_64 __maybe_unused)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -20,4 +20,6 @@ struct perf_insn {
|
||||
|
||||
const char *dump_insn(struct perf_insn *x, u64 ip,
|
||||
u8 *inbuf, int inlen, int *lenp);
|
||||
int arch_is_branch(const unsigned char *buf, size_t len, int x86_64);
|
||||
|
||||
#endif
|
||||
|
||||
@ -451,7 +451,7 @@ static int intel_bts_process_buffer(struct intel_bts_queue *btsq,
|
||||
continue;
|
||||
intel_bts_get_branch_type(btsq, branch);
|
||||
if (btsq->bts->synth_opts.thread_stack)
|
||||
thread_stack__event(thread, btsq->sample_flags,
|
||||
thread_stack__event(thread, btsq->cpu, btsq->sample_flags,
|
||||
le64_to_cpu(branch->from),
|
||||
le64_to_cpu(branch->to),
|
||||
btsq->intel_pt_insn.length,
|
||||
@ -523,7 +523,7 @@ static int intel_bts_process_queue(struct intel_bts_queue *btsq, u64 *timestamp)
|
||||
!btsq->bts->synth_opts.thread_stack && thread &&
|
||||
(!old_buffer || btsq->bts->sampling_mode ||
|
||||
(btsq->bts->snapshot_mode && !buffer->consecutive)))
|
||||
thread_stack__set_trace_nr(thread, buffer->buffer_nr + 1);
|
||||
thread_stack__set_trace_nr(thread, btsq->cpu, buffer->buffer_nr + 1);
|
||||
|
||||
err = intel_bts_process_buffer(btsq, buffer, thread);
|
||||
|
||||
|
||||
@ -180,6 +180,14 @@ int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
|
||||
return 0;
|
||||
}
|
||||
|
||||
int arch_is_branch(const unsigned char *buf, size_t len, int x86_64)
|
||||
{
|
||||
struct intel_pt_insn in;
|
||||
if (intel_pt_get_insn(buf, len, x86_64, &in) < 0)
|
||||
return -1;
|
||||
return in.branch != INTEL_PT_BR_NO_BRANCH;
|
||||
}
|
||||
|
||||
const char *dump_insn(struct perf_insn *x, uint64_t ip __maybe_unused,
|
||||
u8 *inbuf, int inlen, int *lenp)
|
||||
{
|
||||
|
||||
@ -1174,7 +1174,7 @@ static void intel_pt_prep_sample(struct intel_pt *pt,
|
||||
intel_pt_prep_b_sample(pt, ptq, event, sample);
|
||||
|
||||
if (pt->synth_opts.callchain) {
|
||||
thread_stack__sample(ptq->thread, ptq->chain,
|
||||
thread_stack__sample(ptq->thread, ptq->cpu, ptq->chain,
|
||||
pt->synth_opts.callchain_sz + 1,
|
||||
sample->ip, pt->kernel_start);
|
||||
sample->callchain = ptq->chain;
|
||||
@ -1526,11 +1526,11 @@ static int intel_pt_sample(struct intel_pt_queue *ptq)
|
||||
return 0;
|
||||
|
||||
if (pt->synth_opts.callchain || pt->synth_opts.thread_stack)
|
||||
thread_stack__event(ptq->thread, ptq->flags, state->from_ip,
|
||||
thread_stack__event(ptq->thread, ptq->cpu, ptq->flags, state->from_ip,
|
||||
state->to_ip, ptq->insn_len,
|
||||
state->trace_nr);
|
||||
else
|
||||
thread_stack__set_trace_nr(ptq->thread, state->trace_nr);
|
||||
thread_stack__set_trace_nr(ptq->thread, ptq->cpu, state->trace_nr);
|
||||
|
||||
if (pt->sample_branches) {
|
||||
err = intel_pt_synth_branch_sample(ptq);
|
||||
|
||||
@ -939,7 +939,8 @@ static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist,
|
||||
|
||||
file = PyFile_FromFile(fp, "perf", "r", NULL);
|
||||
#else
|
||||
file = PyFile_FromFd(evlist->pollfd.entries[i].fd, "perf", "r", -1, NULL, NULL, NULL, 1);
|
||||
file = PyFile_FromFd(evlist->pollfd.entries[i].fd, "perf", "r", -1,
|
||||
NULL, NULL, NULL, 0);
|
||||
#endif
|
||||
if (file == NULL)
|
||||
goto free_list;
|
||||
|
||||
@ -1527,6 +1527,13 @@ struct thread *perf_session__findnew(struct perf_session *session, pid_t pid)
|
||||
return machine__findnew_thread(&session->machines.host, -1, pid);
|
||||
}
|
||||
|
||||
/*
|
||||
* Threads are identified by pid and tid, and the idle task has pid == tid == 0.
|
||||
* So here a single thread is created for that, but actually there is a separate
|
||||
* idle task per cpu, so there should be one 'struct thread' per cpu, but there
|
||||
* is only 1. That causes problems for some tools, requiring workarounds. For
|
||||
* example get_idle_thread() in builtin-sched.c, or thread_stack__per_cpu().
|
||||
*/
|
||||
int perf_session__register_idle_thread(struct perf_session *session)
|
||||
{
|
||||
struct thread *thread;
|
||||
|
||||
@ -15,6 +15,7 @@
|
||||
|
||||
#include <linux/rbtree.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/log2.h>
|
||||
#include <errno.h>
|
||||
#include "thread.h"
|
||||
#include "event.h"
|
||||
@ -60,6 +61,7 @@ struct thread_stack_entry {
|
||||
* @last_time: last timestamp
|
||||
* @crp: call/return processor
|
||||
* @comm: current comm
|
||||
* @arr_sz: size of array if this is the first element of an array
|
||||
*/
|
||||
struct thread_stack {
|
||||
struct thread_stack_entry *stack;
|
||||
@ -71,8 +73,19 @@ struct thread_stack {
|
||||
u64 last_time;
|
||||
struct call_return_processor *crp;
|
||||
struct comm *comm;
|
||||
unsigned int arr_sz;
|
||||
};
|
||||
|
||||
/*
|
||||
* Assume pid == tid == 0 identifies the idle task as defined by
|
||||
* perf_session__register_idle_thread(). The idle task is really 1 task per cpu,
|
||||
* and therefore requires a stack for each cpu.
|
||||
*/
|
||||
static inline bool thread_stack__per_cpu(struct thread *thread)
|
||||
{
|
||||
return !(thread->tid || thread->pid_);
|
||||
}
|
||||
|
||||
static int thread_stack__grow(struct thread_stack *ts)
|
||||
{
|
||||
struct thread_stack_entry *new_stack;
|
||||
@ -91,19 +104,14 @@ static int thread_stack__grow(struct thread_stack *ts)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct thread_stack *thread_stack__new(struct thread *thread,
|
||||
struct call_return_processor *crp)
|
||||
static int thread_stack__init(struct thread_stack *ts, struct thread *thread,
|
||||
struct call_return_processor *crp)
|
||||
{
|
||||
struct thread_stack *ts;
|
||||
int err;
|
||||
|
||||
ts = zalloc(sizeof(struct thread_stack));
|
||||
if (!ts)
|
||||
return NULL;
|
||||
|
||||
if (thread_stack__grow(ts)) {
|
||||
free(ts);
|
||||
return NULL;
|
||||
}
|
||||
err = thread_stack__grow(ts);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
if (thread->mg && thread->mg->machine)
|
||||
ts->kernel_start = machine__kernel_start(thread->mg->machine);
|
||||
@ -111,9 +119,72 @@ static struct thread_stack *thread_stack__new(struct thread *thread,
|
||||
ts->kernel_start = 1ULL << 63;
|
||||
ts->crp = crp;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct thread_stack *thread_stack__new(struct thread *thread, int cpu,
|
||||
struct call_return_processor *crp)
|
||||
{
|
||||
struct thread_stack *ts = thread->ts, *new_ts;
|
||||
unsigned int old_sz = ts ? ts->arr_sz : 0;
|
||||
unsigned int new_sz = 1;
|
||||
|
||||
if (thread_stack__per_cpu(thread) && cpu > 0)
|
||||
new_sz = roundup_pow_of_two(cpu + 1);
|
||||
|
||||
if (!ts || new_sz > old_sz) {
|
||||
new_ts = calloc(new_sz, sizeof(*ts));
|
||||
if (!new_ts)
|
||||
return NULL;
|
||||
if (ts)
|
||||
memcpy(new_ts, ts, old_sz * sizeof(*ts));
|
||||
new_ts->arr_sz = new_sz;
|
||||
zfree(&thread->ts);
|
||||
thread->ts = new_ts;
|
||||
ts = new_ts;
|
||||
}
|
||||
|
||||
if (thread_stack__per_cpu(thread) && cpu > 0 &&
|
||||
(unsigned int)cpu < ts->arr_sz)
|
||||
ts += cpu;
|
||||
|
||||
if (!ts->stack &&
|
||||
thread_stack__init(ts, thread, crp))
|
||||
return NULL;
|
||||
|
||||
return ts;
|
||||
}
|
||||
|
||||
static struct thread_stack *thread__cpu_stack(struct thread *thread, int cpu)
|
||||
{
|
||||
struct thread_stack *ts = thread->ts;
|
||||
|
||||
if (cpu < 0)
|
||||
cpu = 0;
|
||||
|
||||
if (!ts || (unsigned int)cpu >= ts->arr_sz)
|
||||
return NULL;
|
||||
|
||||
ts += cpu;
|
||||
|
||||
if (!ts->stack)
|
||||
return NULL;
|
||||
|
||||
return ts;
|
||||
}
|
||||
|
||||
static inline struct thread_stack *thread__stack(struct thread *thread,
|
||||
int cpu)
|
||||
{
|
||||
if (!thread)
|
||||
return NULL;
|
||||
|
||||
if (thread_stack__per_cpu(thread))
|
||||
return thread__cpu_stack(thread, cpu);
|
||||
|
||||
return thread->ts;
|
||||
}
|
||||
|
||||
static int thread_stack__push(struct thread_stack *ts, u64 ret_addr,
|
||||
bool trace_end)
|
||||
{
|
||||
@ -226,25 +297,37 @@ static int __thread_stack__flush(struct thread *thread, struct thread_stack *ts)
|
||||
|
||||
int thread_stack__flush(struct thread *thread)
|
||||
{
|
||||
if (thread->ts)
|
||||
return __thread_stack__flush(thread, thread->ts);
|
||||
struct thread_stack *ts = thread->ts;
|
||||
unsigned int pos;
|
||||
int err = 0;
|
||||
|
||||
return 0;
|
||||
if (ts) {
|
||||
for (pos = 0; pos < ts->arr_sz; pos++) {
|
||||
int ret = __thread_stack__flush(thread, ts + pos);
|
||||
|
||||
if (ret)
|
||||
err = ret;
|
||||
}
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
int thread_stack__event(struct thread *thread, u32 flags, u64 from_ip,
|
||||
int thread_stack__event(struct thread *thread, int cpu, u32 flags, u64 from_ip,
|
||||
u64 to_ip, u16 insn_len, u64 trace_nr)
|
||||
{
|
||||
struct thread_stack *ts = thread__stack(thread, cpu);
|
||||
|
||||
if (!thread)
|
||||
return -EINVAL;
|
||||
|
||||
if (!thread->ts) {
|
||||
thread->ts = thread_stack__new(thread, NULL);
|
||||
if (!thread->ts) {
|
||||
if (!ts) {
|
||||
ts = thread_stack__new(thread, cpu, NULL);
|
||||
if (!ts) {
|
||||
pr_warning("Out of memory: no thread stack\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
thread->ts->trace_nr = trace_nr;
|
||||
ts->trace_nr = trace_nr;
|
||||
}
|
||||
|
||||
/*
|
||||
@ -252,14 +335,14 @@ int thread_stack__event(struct thread *thread, u32 flags, u64 from_ip,
|
||||
* the stack might be completely invalid. Better to report nothing than
|
||||
* to report something misleading, so flush the stack.
|
||||
*/
|
||||
if (trace_nr != thread->ts->trace_nr) {
|
||||
if (thread->ts->trace_nr)
|
||||
__thread_stack__flush(thread, thread->ts);
|
||||
thread->ts->trace_nr = trace_nr;
|
||||
if (trace_nr != ts->trace_nr) {
|
||||
if (ts->trace_nr)
|
||||
__thread_stack__flush(thread, ts);
|
||||
ts->trace_nr = trace_nr;
|
||||
}
|
||||
|
||||
/* Stop here if thread_stack__process() is in use */
|
||||
if (thread->ts->crp)
|
||||
if (ts->crp)
|
||||
return 0;
|
||||
|
||||
if (flags & PERF_IP_FLAG_CALL) {
|
||||
@ -270,7 +353,7 @@ int thread_stack__event(struct thread *thread, u32 flags, u64 from_ip,
|
||||
ret_addr = from_ip + insn_len;
|
||||
if (ret_addr == to_ip)
|
||||
return 0; /* Zero-length calls are excluded */
|
||||
return thread_stack__push(thread->ts, ret_addr,
|
||||
return thread_stack__push(ts, ret_addr,
|
||||
flags & PERF_IP_FLAG_TRACE_END);
|
||||
} else if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
|
||||
/*
|
||||
@ -280,32 +363,52 @@ int thread_stack__event(struct thread *thread, u32 flags, u64 from_ip,
|
||||
* address, so try to pop that. Also, do not expect a call made
|
||||
* when the trace ended, to return, so pop that.
|
||||
*/
|
||||
thread_stack__pop(thread->ts, to_ip);
|
||||
thread_stack__pop_trace_end(thread->ts);
|
||||
thread_stack__pop(ts, to_ip);
|
||||
thread_stack__pop_trace_end(ts);
|
||||
} else if ((flags & PERF_IP_FLAG_RETURN) && from_ip) {
|
||||
thread_stack__pop(thread->ts, to_ip);
|
||||
thread_stack__pop(ts, to_ip);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void thread_stack__set_trace_nr(struct thread *thread, u64 trace_nr)
|
||||
void thread_stack__set_trace_nr(struct thread *thread, int cpu, u64 trace_nr)
|
||||
{
|
||||
if (!thread || !thread->ts)
|
||||
struct thread_stack *ts = thread__stack(thread, cpu);
|
||||
|
||||
if (!ts)
|
||||
return;
|
||||
|
||||
if (trace_nr != thread->ts->trace_nr) {
|
||||
if (thread->ts->trace_nr)
|
||||
__thread_stack__flush(thread, thread->ts);
|
||||
thread->ts->trace_nr = trace_nr;
|
||||
if (trace_nr != ts->trace_nr) {
|
||||
if (ts->trace_nr)
|
||||
__thread_stack__flush(thread, ts);
|
||||
ts->trace_nr = trace_nr;
|
||||
}
|
||||
}
|
||||
|
||||
static void __thread_stack__free(struct thread *thread, struct thread_stack *ts)
|
||||
{
|
||||
__thread_stack__flush(thread, ts);
|
||||
zfree(&ts->stack);
|
||||
}
|
||||
|
||||
static void thread_stack__reset(struct thread *thread, struct thread_stack *ts)
|
||||
{
|
||||
unsigned int arr_sz = ts->arr_sz;
|
||||
|
||||
__thread_stack__free(thread, ts);
|
||||
memset(ts, 0, sizeof(*ts));
|
||||
ts->arr_sz = arr_sz;
|
||||
}
|
||||
|
||||
void thread_stack__free(struct thread *thread)
|
||||
{
|
||||
if (thread->ts) {
|
||||
__thread_stack__flush(thread, thread->ts);
|
||||
zfree(&thread->ts->stack);
|
||||
struct thread_stack *ts = thread->ts;
|
||||
unsigned int pos;
|
||||
|
||||
if (ts) {
|
||||
for (pos = 0; pos < ts->arr_sz; pos++)
|
||||
__thread_stack__free(thread, ts + pos);
|
||||
zfree(&thread->ts);
|
||||
}
|
||||
}
|
||||
@ -315,9 +418,11 @@ static inline u64 callchain_context(u64 ip, u64 kernel_start)
|
||||
return ip < kernel_start ? PERF_CONTEXT_USER : PERF_CONTEXT_KERNEL;
|
||||
}
|
||||
|
||||
void thread_stack__sample(struct thread *thread, struct ip_callchain *chain,
|
||||
void thread_stack__sample(struct thread *thread, int cpu,
|
||||
struct ip_callchain *chain,
|
||||
size_t sz, u64 ip, u64 kernel_start)
|
||||
{
|
||||
struct thread_stack *ts = thread__stack(thread, cpu);
|
||||
u64 context = callchain_context(ip, kernel_start);
|
||||
u64 last_context;
|
||||
size_t i, j;
|
||||
@ -330,15 +435,15 @@ void thread_stack__sample(struct thread *thread, struct ip_callchain *chain,
|
||||
chain->ips[0] = context;
|
||||
chain->ips[1] = ip;
|
||||
|
||||
if (!thread || !thread->ts) {
|
||||
if (!ts) {
|
||||
chain->nr = 2;
|
||||
return;
|
||||
}
|
||||
|
||||
last_context = context;
|
||||
|
||||
for (i = 2, j = 1; i < sz && j <= thread->ts->cnt; i++, j++) {
|
||||
ip = thread->ts->stack[thread->ts->cnt - j].ret_addr;
|
||||
for (i = 2, j = 1; i < sz && j <= ts->cnt; i++, j++) {
|
||||
ip = ts->stack[ts->cnt - j].ret_addr;
|
||||
context = callchain_context(ip, kernel_start);
|
||||
if (context != last_context) {
|
||||
if (i >= sz - 1)
|
||||
@ -449,7 +554,7 @@ static int thread_stack__pop_cp(struct thread *thread, struct thread_stack *ts,
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int thread_stack__bottom(struct thread *thread, struct thread_stack *ts,
|
||||
static int thread_stack__bottom(struct thread_stack *ts,
|
||||
struct perf_sample *sample,
|
||||
struct addr_location *from_al,
|
||||
struct addr_location *to_al, u64 ref)
|
||||
@ -474,7 +579,7 @@ static int thread_stack__bottom(struct thread *thread, struct thread_stack *ts,
|
||||
if (!cp)
|
||||
return -ENOMEM;
|
||||
|
||||
return thread_stack__push_cp(thread->ts, ip, sample->time, ref, cp,
|
||||
return thread_stack__push_cp(ts, ip, sample->time, ref, cp,
|
||||
true, false);
|
||||
}
|
||||
|
||||
@ -590,24 +695,19 @@ int thread_stack__process(struct thread *thread, struct comm *comm,
|
||||
struct addr_location *to_al, u64 ref,
|
||||
struct call_return_processor *crp)
|
||||
{
|
||||
struct thread_stack *ts = thread->ts;
|
||||
struct thread_stack *ts = thread__stack(thread, sample->cpu);
|
||||
int err = 0;
|
||||
|
||||
if (ts) {
|
||||
if (!ts->crp) {
|
||||
/* Supersede thread_stack__event() */
|
||||
thread_stack__free(thread);
|
||||
thread->ts = thread_stack__new(thread, crp);
|
||||
if (!thread->ts)
|
||||
return -ENOMEM;
|
||||
ts = thread->ts;
|
||||
ts->comm = comm;
|
||||
}
|
||||
} else {
|
||||
thread->ts = thread_stack__new(thread, crp);
|
||||
if (!thread->ts)
|
||||
if (ts && !ts->crp) {
|
||||
/* Supersede thread_stack__event() */
|
||||
thread_stack__reset(thread, ts);
|
||||
ts = NULL;
|
||||
}
|
||||
|
||||
if (!ts) {
|
||||
ts = thread_stack__new(thread, sample->cpu, crp);
|
||||
if (!ts)
|
||||
return -ENOMEM;
|
||||
ts = thread->ts;
|
||||
ts->comm = comm;
|
||||
}
|
||||
|
||||
@ -621,8 +721,7 @@ int thread_stack__process(struct thread *thread, struct comm *comm,
|
||||
|
||||
/* If the stack is empty, put the current symbol on the stack */
|
||||
if (!ts->cnt) {
|
||||
err = thread_stack__bottom(thread, ts, sample, from_al, to_al,
|
||||
ref);
|
||||
err = thread_stack__bottom(ts, sample, from_al, to_al, ref);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
@ -671,9 +770,11 @@ int thread_stack__process(struct thread *thread, struct comm *comm,
|
||||
return err;
|
||||
}
|
||||
|
||||
size_t thread_stack__depth(struct thread *thread)
|
||||
size_t thread_stack__depth(struct thread *thread, int cpu)
|
||||
{
|
||||
if (!thread->ts)
|
||||
struct thread_stack *ts = thread__stack(thread, cpu);
|
||||
|
||||
if (!ts)
|
||||
return 0;
|
||||
return thread->ts->cnt;
|
||||
return ts->cnt;
|
||||
}
|
||||
|
||||
@ -80,14 +80,14 @@ struct call_return_processor {
|
||||
void *data;
|
||||
};
|
||||
|
||||
int thread_stack__event(struct thread *thread, u32 flags, u64 from_ip,
|
||||
int thread_stack__event(struct thread *thread, int cpu, u32 flags, u64 from_ip,
|
||||
u64 to_ip, u16 insn_len, u64 trace_nr);
|
||||
void thread_stack__set_trace_nr(struct thread *thread, u64 trace_nr);
|
||||
void thread_stack__sample(struct thread *thread, struct ip_callchain *chain,
|
||||
void thread_stack__set_trace_nr(struct thread *thread, int cpu, u64 trace_nr);
|
||||
void thread_stack__sample(struct thread *thread, int cpu, struct ip_callchain *chain,
|
||||
size_t sz, u64 ip, u64 kernel_start);
|
||||
int thread_stack__flush(struct thread *thread);
|
||||
void thread_stack__free(struct thread *thread);
|
||||
size_t thread_stack__depth(struct thread *thread);
|
||||
size_t thread_stack__depth(struct thread *thread, int cpu);
|
||||
|
||||
struct call_return_processor *
|
||||
call_return_processor__new(int (*process)(struct call_return *cr, void *data),
|
||||
|
||||
@ -9,13 +9,13 @@ ifeq ("$(origin O)", "command line")
|
||||
endif
|
||||
|
||||
turbostat : turbostat.c
|
||||
CFLAGS += -Wall
|
||||
CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/asm/msr-index.h"'
|
||||
CFLAGS += -DINTEL_FAMILY_HEADER='"../../../../arch/x86/include/asm/intel-family.h"'
|
||||
override CFLAGS += -Wall
|
||||
override CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/asm/msr-index.h"'
|
||||
override CFLAGS += -DINTEL_FAMILY_HEADER='"../../../../arch/x86/include/asm/intel-family.h"'
|
||||
|
||||
%: %.c
|
||||
@mkdir -p $(BUILD_OUTPUT)
|
||||
$(CC) $(CFLAGS) $< -o $(BUILD_OUTPUT)/$@
|
||||
$(CC) $(CFLAGS) $< -o $(BUILD_OUTPUT)/$@ $(LDFLAGS)
|
||||
|
||||
.PHONY : clean
|
||||
clean :
|
||||
|
||||
@ -9,12 +9,12 @@ ifeq ("$(origin O)", "command line")
|
||||
endif
|
||||
|
||||
x86_energy_perf_policy : x86_energy_perf_policy.c
|
||||
CFLAGS += -Wall
|
||||
CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/asm/msr-index.h"'
|
||||
override CFLAGS += -Wall
|
||||
override CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/asm/msr-index.h"'
|
||||
|
||||
%: %.c
|
||||
@mkdir -p $(BUILD_OUTPUT)
|
||||
$(CC) $(CFLAGS) $< -o $(BUILD_OUTPUT)/$@
|
||||
$(CC) $(CFLAGS) $< -o $(BUILD_OUTPUT)/$@ $(LDFLAGS)
|
||||
|
||||
.PHONY : clean
|
||||
clean :
|
||||
|
||||
@ -6,13 +6,13 @@ VERSION = 1.0
|
||||
|
||||
BINDIR=usr/bin
|
||||
WARNFLAGS=-Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-int
|
||||
CFLAGS+= -O1 ${WARNFLAGS}
|
||||
override CFLAGS+= -O1 ${WARNFLAGS}
|
||||
# Add "-fstack-protector" only if toolchain supports it.
|
||||
CFLAGS+= $(call cc-option,-fstack-protector)
|
||||
override CFLAGS+= $(call cc-option,-fstack-protector-strong)
|
||||
CC?= $(CROSS_COMPILE)gcc
|
||||
PKG_CONFIG?= pkg-config
|
||||
|
||||
CFLAGS+=-D VERSION=\"$(VERSION)\"
|
||||
override CFLAGS+=-D VERSION=\"$(VERSION)\"
|
||||
LDFLAGS+=
|
||||
TARGET=tmon
|
||||
|
||||
@ -29,7 +29,7 @@ TMON_LIBS += $(shell $(PKG_CONFIG) --libs $(STATIC) panelw ncursesw 2> /dev/null
|
||||
$(PKG_CONFIG) --libs $(STATIC) panel ncurses 2> /dev/null || \
|
||||
echo -lpanel -lncurses)
|
||||
|
||||
CFLAGS += $(shell $(PKG_CONFIG) --cflags $(STATIC) panelw ncursesw 2> /dev/null || \
|
||||
override CFLAGS += $(shell $(PKG_CONFIG) --cflags $(STATIC) panelw ncursesw 2> /dev/null || \
|
||||
$(PKG_CONFIG) --cflags $(STATIC) panel ncurses 2> /dev/null)
|
||||
|
||||
OBJS = tmon.o tui.o sysfs.o pid.o
|
||||
|
||||
Loading…
Reference in New Issue
Block a user