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perf/urgent fixes:

Browse Source 
auxtrace:
 
   Adrian Hunter:
 
   - Fix endless record after being terminated on arm-spe.
 
   Wei Li:
 
   - Fix endless record after being terminated on Intel PT and BTS and
     on ARM's cs-etm.
 
 perf test:
 
   Thomas Richter
 
   - Fix test trace+probe_vfs_getname.sh on s390
 
 PowerPC:
 
   Arnaldo Carvalho de Melo:
 
   - Sync powerpc syscall.tbl with the kernel sources.
 
 BPF:
 
   Arnaldo Carvalho de Melo:
 
   - Remove extraneous bpf/ subdir from bpf.h headers used to build bpf events.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-5.6-20200220' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

auxtrace:

  Adrian Hunter:

  - Fix endless record after being terminated on arm-spe.

  Wei Li:

  - Fix endless record after being terminated on Intel PT and BTS and
    on ARM's cs-etm.

perf test:

  Thomas Richter

  - Fix test trace+probe_vfs_getname.sh on s390

PowerPC:

  Arnaldo Carvalho de Melo:

  - Sync powerpc syscall.tbl with the kernel sources.

BPF:

  Arnaldo Carvalho de Melo:

  - Remove extraneous bpf/ subdir from bpf.h headers used to build bpf events.

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 2020-02-26 15:18:05 +01:00
commit 4c45945aa4
11 changed files with 41 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
tools/perf/arch/arm/util/cs-etm.c
View File

@ -858,21 +858,6 @@ static void cs_etm_recording_free(struct auxtrace_record *itr)
free(ptr);
}
static int cs_etm_read_finish(struct auxtrace_record *itr, int idx)
{
struct cs_etm_recording *ptr =
container_of(itr, struct cs_etm_recording, itr);
struct evsel *evsel;
evlist__for_each_entry(ptr->evlist, evsel) {
if (evsel->core.attr.type == ptr->cs_etm_pmu->type)
return perf_evlist__enable_event_idx(ptr->evlist,
evsel, idx);
}
return -EINVAL;
}
struct auxtrace_record *cs_etm_record_init(int *err)
{
struct perf_pmu *cs_etm_pmu;
@ -892,6 +877,7 @@ struct auxtrace_record *cs_etm_record_init(int *err)
}
ptr->cs_etm_pmu = cs_etm_pmu;
ptr->itr.pmu = cs_etm_pmu;
ptr->itr.parse_snapshot_options = cs_etm_parse_snapshot_options;
ptr->itr.recording_options = cs_etm_recording_options;
ptr->itr.info_priv_size = cs_etm_info_priv_size;
@ -901,7 +887,7 @@ struct auxtrace_record *cs_etm_record_init(int *err)
ptr->itr.snapshot_finish = cs_etm_snapshot_finish;
ptr->itr.reference = cs_etm_reference;
ptr->itr.free = cs_etm_recording_free;
ptr->itr.read_finish = cs_etm_read_finish;
ptr->itr.read_finish = auxtrace_record__read_finish;
*err = 0;
return &ptr->itr;

17
tools/perf/arch/arm64/util/arm-spe.c
View File

@ -158,20 +158,6 @@ static void arm_spe_recording_free(struct auxtrace_record *itr)
free(sper);
}
static int arm_spe_read_finish(struct auxtrace_record *itr, int idx)
{
struct arm_spe_recording *sper =
container_of(itr, struct arm_spe_recording, itr);
struct evsel *evsel;
evlist__for_each_entry(sper->evlist, evsel) {
if (evsel->core.attr.type == sper->arm_spe_pmu->type)
return perf_evlist__enable_event_idx(sper->evlist,
evsel, idx);
}
return -EINVAL;
}
struct auxtrace_record *arm_spe_recording_init(int *err,
struct perf_pmu *arm_spe_pmu)
{
@ -189,12 +175,13 @@ struct auxtrace_record *arm_spe_recording_init(int *err,
}
sper->arm_spe_pmu = arm_spe_pmu;
sper->itr.pmu = arm_spe_pmu;
sper->itr.recording_options = arm_spe_recording_options;
sper->itr.info_priv_size = arm_spe_info_priv_size;
sper->itr.info_fill = arm_spe_info_fill;
sper->itr.free = arm_spe_recording_free;
sper->itr.reference = arm_spe_reference;
sper->itr.read_finish = arm_spe_read_finish;
sper->itr.read_finish = auxtrace_record__read_finish;
sper->itr.alignment = 0;
*err = 0;

2
tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
View File

@ -517,3 +517,5 @@
433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open
435 nospu clone3 ppc_clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd

17
tools/perf/arch/x86/util/intel-bts.c
View File

@ -413,20 +413,6 @@ out_err:
return err;
}
static int intel_bts_read_finish(struct auxtrace_record *itr, int idx)
{
struct intel_bts_recording *btsr =
container_of(itr, struct intel_bts_recording, itr);
struct evsel *evsel;
evlist__for_each_entry(btsr->evlist, evsel) {
if (evsel->core.attr.type == btsr->intel_bts_pmu->type)
return perf_evlist__enable_event_idx(btsr->evlist,
evsel, idx);
}
return -EINVAL;
}
struct auxtrace_record *intel_bts_recording_init(int *err)
{
struct perf_pmu *intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME);
@ -447,6 +433,7 @@ struct auxtrace_record *intel_bts_recording_init(int *err)
}
btsr->intel_bts_pmu = intel_bts_pmu;
btsr->itr.pmu = intel_bts_pmu;
btsr->itr.recording_options = intel_bts_recording_options;
btsr->itr.info_priv_size = intel_bts_info_priv_size;
btsr->itr.info_fill = intel_bts_info_fill;
@ -456,7 +443,7 @@ struct auxtrace_record *intel_bts_recording_init(int *err)
btsr->itr.find_snapshot = intel_bts_find_snapshot;
btsr->itr.parse_snapshot_options = intel_bts_parse_snapshot_options;
btsr->itr.reference = intel_bts_reference;
btsr->itr.read_finish = intel_bts_read_finish;
btsr->itr.read_finish = auxtrace_record__read_finish;
btsr->itr.alignment = sizeof(struct branch);
return &btsr->itr;
}

17
tools/perf/arch/x86/util/intel-pt.c
View File

@ -1166,20 +1166,6 @@ static u64 intel_pt_reference(struct auxtrace_record *itr __maybe_unused)
return rdtsc();
}
static int intel_pt_read_finish(struct auxtrace_record *itr, int idx)
{
struct intel_pt_recording *ptr =
container_of(itr, struct intel_pt_recording, itr);
struct evsel *evsel;
evlist__for_each_entry(ptr->evlist, evsel) {
if (evsel->core.attr.type == ptr->intel_pt_pmu->type)
return perf_evlist__enable_event_idx(ptr->evlist, evsel,
idx);
}
return -EINVAL;
}
struct auxtrace_record *intel_pt_recording_init(int *err)
{
struct perf_pmu *intel_pt_pmu = perf_pmu__find(INTEL_PT_PMU_NAME);
@ -1200,6 +1186,7 @@ struct auxtrace_record *intel_pt_recording_init(int *err)
}
ptr->intel_pt_pmu = intel_pt_pmu;
ptr->itr.pmu = intel_pt_pmu;
ptr->itr.recording_options = intel_pt_recording_options;
ptr->itr.info_priv_size = intel_pt_info_priv_size;
ptr->itr.info_fill = intel_pt_info_fill;
@ -1209,7 +1196,7 @@ struct auxtrace_record *intel_pt_recording_init(int *err)
ptr->itr.find_snapshot = intel_pt_find_snapshot;
ptr->itr.parse_snapshot_options = intel_pt_parse_snapshot_options;
ptr->itr.reference = intel_pt_reference;
ptr->itr.read_finish = intel_pt_read_finish;
ptr->itr.read_finish = auxtrace_record__read_finish;
/*
* Decoding starts at a PSB packet. Minimum PSB period is 2K so 4K
* should give at least 1 PSB per sample.

2
tools/perf/include/bpf/pid_filter.h
View File

@ -3,7 +3,7 @@
#ifndef _PERF_BPF_PID_FILTER_
#define _PERF_BPF_PID_FILTER_
#include <bpf/bpf.h>
#include <bpf.h>
#define pid_filter(name) pid_map(name, bool)

2
tools/perf/include/bpf/stdio.h
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <bpf/bpf.h>
#include <bpf.h>
struct bpf_map SEC("maps") __bpf_stdout__ = {
.type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,

2
tools/perf/include/bpf/unistd.h
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: LGPL-2.1
#include <bpf/bpf.h>
#include <bpf.h>
static int (*bpf_get_current_pid_tgid)(void) = (void *)BPF_FUNC_get_current_pid_tgid;

2
tools/perf/tests/shell/lib/probe_vfs_getname.sh
View File

@ -14,7 +14,7 @@ add_probe_vfs_getname() {
if [ $had_vfs_getname -eq 1 ] ; then
line=$(perf probe -L getname_flags 2>&1 | egrep 'result.*=.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*/\1/')
perf probe -q "vfs_getname=getname_flags:${line} pathname=result->name:string" || \
perf probe $verbose "vfs_getname=getname_flags:${line} pathname=filename:string"
perf probe $verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring"
fi
}

22
tools/perf/util/auxtrace.c
View File

@ -629,8 +629,10 @@ int auxtrace_record__options(struct auxtrace_record *itr,
struct evlist *evlist,
struct record_opts *opts)
{
if (itr)
if (itr) {
itr->evlist = evlist;
return itr->recording_options(itr, evlist, opts);
}
return 0;
}
@ -664,6 +666,24 @@ int auxtrace_parse_snapshot_options(struct auxtrace_record *itr,
return -EINVAL;
}
int auxtrace_record__read_finish(struct auxtrace_record *itr, int idx)
{
struct evsel *evsel;
if (!itr->evlist || !itr->pmu)
return -EINVAL;
evlist__for_each_entry(itr->evlist, evsel) {
if (evsel->core.attr.type == itr->pmu->type) {
if (evsel->disabled)
return 0;
return perf_evlist__enable_event_idx(itr->evlist, evsel,
idx);
}
}
return -EINVAL;
}
/*
* Event record size is 16-bit which results in a maximum size of about 64KiB.
* Allow about 4KiB for the rest of the sample record, to give a maximum

6
tools/perf/util/auxtrace.h
View File

@ -29,6 +29,7 @@ struct record_opts;
struct perf_record_auxtrace_error;
struct perf_record_auxtrace_info;
struct events_stats;
struct perf_pmu;
enum auxtrace_error_type {
PERF_AUXTRACE_ERROR_ITRACE = 1,
@ -322,6 +323,8 @@ struct auxtrace_mmap_params {
* @read_finish: called after reading from an auxtrace mmap
* @alignment: alignment (if any) for AUX area data
* @default_aux_sample_size: default sample size for --aux sample option
* @pmu: associated pmu
* @evlist: selected events list
*/
struct auxtrace_record {
int (*recording_options)(struct auxtrace_record *itr,
@ -346,6 +349,8 @@ struct auxtrace_record {
int (*read_finish)(struct auxtrace_record *itr, int idx);
unsigned int alignment;
unsigned int default_aux_sample_size;
struct perf_pmu *pmu;
struct evlist *evlist;
};
/**
@ -537,6 +542,7 @@ int auxtrace_record__find_snapshot(struct auxtrace_record *itr, int idx,
struct auxtrace_mmap *mm,
unsigned char *data, u64 *head, u64 *old);
u64 auxtrace_record__reference(struct auxtrace_record *itr);
int auxtrace_record__read_finish(struct auxtrace_record *itr, int idx);
int auxtrace_index__auxtrace_event(struct list_head *head, union perf_event *event,
off_t file_offset);