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498ef715a0
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Paul A. Clarke 498ef715a0 perf script: Better align register values in dump 
Before:

  $ perf script --dump-raw-trace
  [...]
  2492031077254920 0x1e08 [0x308]: PERF_RECORD_SAMPLE(IP, 0x1): 47557/47557: 0xc00000000012eeb0 period: 1 addr: 0
  ... user regs: mask 0x1fffffffffff ABI 64-bit
  .... r0    0xb
  .... r1    0x7ffff3b90fa0
  .... r2    0x7fffbabf7300
  .... r3    0x7ffff3b9ed60
  .... r4    0x7ffff3b95cc0
  .... r5    0x1000c5a2940
  .... r6    0xfefefefefefefeff
  .... r7    0x7f7f7f7f7f7f7f7f
  .... r8    0x7ffff3b9ed60
  .... r9    0x0
  [...]

After:

  [...]
  2492031077254920 0x1e08 [0x308]: PERF_RECORD_SAMPLE(IP, 0x1): 47557/47557: 0xc00000000012eeb0 period: 1 addr: 0
  ... user regs: mask 0x1fffffffffff ABI 64-bit
  .... r0    0x000000000000000b
  .... r1    0x00007ffff3b90fa0
  .... r2    0x00007fffbabf7300
  .... r3    0x00007ffff3b9ed60
  .... r4    0x00007ffff3b95cc0
  .... r5    0x000001000c5a2940
  .... r6    0xfefefefefefefeff
  .... r7    0x7f7f7f7f7f7f7f7f
  .... r8    0x00007ffff3b9ed60
  .... r9    0x0000000000000000
  [...]

Committer testing:

Full set of instructions, testing on x86_64:

  # perf record -I
  ^C[ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 2.855 MB perf.data (4902 samples) ]
  # perf evlist -v
  cycles: size: 120, { sample_period, sample_freq }: 4000, sample_type: IP|TID|TIME|ID|CPU|PERIOD|REGS_INTR, read_format: ID, disabled: 1, inherit: 1, freq: 1, precise_ip: 3, sample_id_all: 1, exclude_guest: 1, sample_regs_intr: 0xff0fff
  dummy:HG: type: 1, size: 120, config: 0x9, { sample_period, sample_freq }: 4000, sample_type: IP|TID|TIME|ID|CPU|PERIOD|REGS_INTR, read_format: ID, inherit: 1, mmap: 1, comm: 1, freq: 1, task: 1, sample_id_all: 1, mmap2: 1, comm_exec: 1, ksymbol: 1, bpf_event: 1, sample_regs_intr: 0xff0fff
  #

Before:

  # perf script --dump-raw-trace
  [...]
  0 1542674658099675 0x1cb700 [0xe0]: PERF_RECORD_SAMPLE(IP, 0x4001): 1825/1825: 0xffffffff9506e544 period: 1 addr: 0
  ... intr regs: mask 0xff0fff ABI 64-bit
  .... AX    0xf
  .... BX    0xffff96e1064125a0
  .... CX    0x38f
  .... DX    0x7
  .... SI    0xf
  .... DI    0x38f
  .... BP    0x1
  .... SP    0xfffffe000000bdf0
  .... IP    0xffffffff9506e544
  .... FLAGS 0xa
  .... CS    0x10
  .... SS    0x18
  .... R8    0x0
  .... R9    0x0
  .... R10   0xfffffe00000260c8
  .... R11   0xfffffe000000bef8
  .... R12   0x1
  .... R13   0x64
  .... R14   0x390
  .... R15   0xffff96e1064125a0
   ... thread: perf:1825
   ...... dso: /proc/kcore
              perf  1825 [000] 1542674.658099:          1   cycles:  ffffffff9506e544 native_write_msr+0x4 (vmlinux
  [...]

After:

  # perf script --dump-raw-trace
  [...]
  0 1542674658096068 0x1cb620 [0xe0]: PERF_RECORD_SAMPLE(IP, 0x4001): 1825/1825: 0xffffffff9506e544 period: 1 addr: 0
  ... intr regs: mask 0xff0fff ABI 64-bit
  .... AX    0x000000000000000f
  .... BX    0xffff96e1064125a0
  .... CX    0x000000000000038f
  .... DX    0x0000000000000007
  .... SI    0x000000000000000f
  .... DI    0x000000000000038f
  .... BP    0x0000000000000000
  .... SP    0xffffb3e788fb7c20
  .... IP    0xffffffff9506e544
  .... FLAGS 0x000000000000000a
  .... CS    0x0000000000000010
  .... SS    0x0000000000000018
  .... R8    0x00057b0deeffdfe3
  .... R9    0xffff96e106432480
  .... R10   0x0000000000000000
  .... R11   0xffff96e106412cc0
  .... R12   0xffffb3e788fb7d00
  .... R13   0xffff96e106432408
  .... R14   0xffff96e106432400
  .... R15   0xffff96e0e09a4800
   ... thread: perf:1825
   ...... dso: /proc/kcore
              perf  1825 [000] 1542674.658096:          1   cycles:  ffffffff9506e544 native_write_msr+0x4 (vmlinux)
  [...]

Signed-off-by: Paul Clarke <pc@us.ibm.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
LPU-Reference: 1589911102-9460-1-git-send-email-pc@us.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-05-28 10:03:27 -03:00
..
accounting SPDX patches for 5.7-rc1. 2020-04-03 13:12:26 -07:00
arch tools arch x86: Sync asm/cpufeatures.h with the kernel sources 2020-04-14 09:08:23 -03:00
bootconfig tools/bootconfig: Fix apply_xbc() to return zero on success 2020-05-11 17:00:26 -04:00
bpf tools/runqslower: Ensure own vmlinux.h is picked up first 2020-04-24 17:45:20 -07:00
build perf: cs-etm: Update to build with latest opencsd version. 2020-05-05 16:35:32 -03:00
cgroup iocost: protect iocg->abs_vdebt with iocg->waitq.lock 2020-05-05 09:23:18 -06:00
debugging
edid tools/edid: Move EDID data sets from Documentation/ 2020-02-19 04:10:32 -07:00
firewire
firmware
gpio This is the bulk of GPIO development for the v5.7 kernel cycle. 2020-04-04 10:27:00 -07:00
hv Tools: hv: Reopen the devices if read() or write() returns errors 2020-01-26 22:10:10 -05:00
iio .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
include Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-04-24 19:17:30 -07:00
io_uring
kvm/kvm_stat tools/kvm_stat: add command line switch '-c' to log in csv format 2020-03-23 15:44:21 -04:00
laptop change email address for Pali Rohár 2020-04-10 15:36:22 -07:00
leds .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
lib Linux 5.7-rc7 2020-05-28 07:58:12 +02:00
memory-model .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
nfsd
objtool A set of fixes for x86: 2020-05-10 11:59:53 -07:00
pci tools: PCI: Add 'e' to clear IRQ 2020-04-02 17:57:10 +01:00
pcmcia .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
perf perf script: Better align register values in dump 2020-05-28 10:03:27 -03:00
power pm-graph v5.6 2020-04-20 10:37:02 +02:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-25 18:58:11 -07:00
spi SPDX patches for 5.7-rc1. 2020-04-03 13:12:26 -07:00
testing Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-23 17:16:18 -07:00
thermal/tmon - Convert tsens configuration DT binding to yaml (Rajeshwari) 2020-04-07 20:00:16 -07:00
time
usb .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
virtio tools/virtio: make asm/barrier.h self contained 2020-04-17 06:05:29 -04:00
vm tools/vm: fix cross-compile build 2020-04-21 11:11:56 -07:00
wmi
Makefile tools: bootconfig: Add bootconfig command 2020-01-13 13:19:39 -05:00