UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

perf tools fixes for v5.15: 4th patch 

- Fix 'perf test evsel' build error on !x86 architectures.
 
 - Fix libperf's test_stat_cpu mixup of CPU numbers and CPU indexes.
 
 - Output offsets for decompressed records, not just useless zeros.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCYWq4ZAAKCRCyPKLppCJ+
 JyRdAQD1iZFc0g9GLL0n50Q6HJCAFDLfufbkTpYiPPTFhemDRgD9Em5IvOAW6Zhv
 9xLhduRa0DfTe/NIxz82bjSD4BvuzQw=
 =JBso
 -----END PGP SIGNATURE-----

Merge tag 'perf-tools-fixes-for-v5.15-2021-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fix 'perf test evsel' build error on !x86 architectures

 - Fix libperf's test_stat_cpu mixup of CPU numbers and CPU indexes

 - Output offsets for decompressed records, not just useless zeros

* tag 'perf-tools-fixes-for-v5.15-2021-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  libperf tests: Fix test_stat_cpu
  libperf test evsel: Fix build error on !x86 architectures
  perf report: Output non-zero offset for decompressed records
This commit is contained in:
Linus Torvalds 2021-10-16 11:11:07 -07:00
parent ccfb5ceb40 3ff6d64e68
commit d999ade1cc
3 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
tools/lib/perf/tests/test-evlist.c
View File

@ -40,7 +40,7 @@ static int test_stat_cpu(void)
.type = PERF_TYPE_SOFTWARE,
.config = PERF_COUNT_SW_TASK_CLOCK,
};
int err, cpu, tmp;
int err, idx;
cpus = perf_cpu_map__new(NULL);
__T("failed to create cpus", cpus);
@ -70,10 +70,10 @@ static int test_stat_cpu(void)
perf_evlist__for_each_evsel(evlist, evsel) {
cpus = perf_evsel__cpus(evsel);
perf_cpu_map__for_each_cpu(cpu, tmp, cpus) {
for (idx = 0; idx < perf_cpu_map__nr(cpus); idx++) {
struct perf_counts_values counts = { .val = 0 };
perf_evsel__read(evsel, cpu, 0, &counts);
perf_evsel__read(evsel, idx, 0, &counts);
__T("failed to read value for evsel", counts.val != 0);
}
}

7
tools/lib/perf/tests/test-evsel.c
View File

@ -22,7 +22,7 @@ static int test_stat_cpu(void)
.type = PERF_TYPE_SOFTWARE,
.config = PERF_COUNT_SW_CPU_CLOCK,
};
int err, cpu, tmp;
int err, idx;
cpus = perf_cpu_map__new(NULL);
__T("failed to create cpus", cpus);
@ -33,10 +33,10 @@ static int test_stat_cpu(void)
err = perf_evsel__open(evsel, cpus, NULL);
__T("failed to open evsel", err == 0);
perf_cpu_map__for_each_cpu(cpu, tmp, cpus) {
for (idx = 0; idx < perf_cpu_map__nr(cpus); idx++) {
struct perf_counts_values counts = { .val = 0 };
perf_evsel__read(evsel, cpu, 0, &counts);
perf_evsel__read(evsel, idx, 0, &counts);
__T("failed to read value for evsel", counts.val != 0);
}
@ -148,6 +148,7 @@ static int test_stat_user_read(int event)
__T("failed to mmap evsel", err == 0);
pc = perf_evsel__mmap_base(evsel, 0, 0);
__T("failed to get mmapped address", pc);
#if defined(__i386__) || defined(__x86_64__)
__T("userspace counter access not supported", pc->cap_user_rdpmc);

4
tools/perf/util/session.c
View File

@ -2116,7 +2116,7 @@ fetch_decomp_event(u64 head, size_t mmap_size, char *buf, bool needs_swap)
static int __perf_session__process_decomp_events(struct perf_session *session)
{
s64 skip;
u64 size, file_pos = 0;
u64 size;
struct decomp *decomp = session->decomp_last;
if (!decomp)
@ -2132,7 +2132,7 @@ static int __perf_session__process_decomp_events(struct perf_session *session)
size = event->header.size;
if (size < sizeof(struct perf_event_header) ||
(skip = perf_session__process_event(session, event, file_pos)) < 0) {
(skip = perf_session__process_event(session, event, decomp->file_pos)) < 0) {
pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n",
decomp->file_pos + decomp->head, event->header.size, event->header.type);
return -EINVAL;