Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-01 00:21:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

perf test: Add entry for hists socket filter

Browse Source 
Add test case for hists socket filter.

Signed-off-by: Kan Liang <kan.liang@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1441377946-44429-5-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Kan Liang 2015-09-04 10:45:46 -04:00 committed by Arnaldo Carvalho de Melo
parent 84734b06b6
commit 92d424ae89
1 changed files with 45 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
tools/perf/tests/hists_filter.c
View File

@ -16,30 +16,31 @@ struct sample {
struct thread *thread;
struct map *map;
struct symbol *sym;
int socket;
};
/* For the numbers, see hists_common.c */
static struct sample fake_samples[] = {
/* perf [kernel] schedule() */
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, .socket = 0 },
/* perf [perf] main() */
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, },
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, .socket = 0 },
/* perf [libc] malloc() */
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },
{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, .socket = 0 },
/* perf [perf] main() */
{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, /* will be merged */
{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, .socket = 0 }, /* will be merged */
/* perf [perf] cmd_record() */
{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, },
{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, .socket = 1 },
/* perf [kernel] page_fault() */
{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, .socket = 1 },
/* bash [bash] main() */
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, },
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_MAIN, .socket = 2 },
/* bash [bash] xmalloc() */
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, },
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_BASH_XMALLOC, .socket = 2 },
/* bash [libc] malloc() */
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_MALLOC, },
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_LIBC_MALLOC, .socket = 3 },
/* bash [kernel] page_fault() */
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },
{ .pid = FAKE_PID_BASH, .ip = FAKE_IP_KERNEL_PAGE_FAULT, .socket = 3 },
};
static int add_hist_entries(struct perf_evlist *evlist,
@ -83,6 +84,7 @@ static int add_hist_entries(struct perf_evlist *evlist,
&sample) < 0)
goto out;
al.socket = fake_samples[i].socket;
if (hist_entry_iter__add(&iter, &al,
PERF_MAX_STACK_DEPTH, NULL) < 0) {
addr_location__put(&al);
@ -253,6 +255,39 @@ int test__hists_filter(void)
TEST_ASSERT_VAL("Unmatched total period for symbol filter",
hists->stats.total_non_filtered_period == 300);
/* remove symbol filter first */
hists->symbol_filter_str = NULL;
hists__filter_by_symbol(hists);
/* now applying socket filters */
hists->socket_filter = 2;
hists__filter_by_socket(hists);
if (verbose > 2) {
pr_info("Histogram for socket filters\n");
print_hists_out(hists);
}
/* normal stats should be invariant */
TEST_ASSERT_VAL("Invalid nr samples",
hists->stats.nr_events[PERF_RECORD_SAMPLE] == 10);
TEST_ASSERT_VAL("Invalid nr hist entries",
hists->nr_entries == 9);
TEST_ASSERT_VAL("Invalid total period",
hists->stats.total_period == 1000);
/* but filter stats are changed */
TEST_ASSERT_VAL("Unmatched nr samples for socket filter",
hists->stats.nr_non_filtered_samples == 2);
TEST_ASSERT_VAL("Unmatched nr hist entries for socket filter",
hists->nr_non_filtered_entries == 2);
TEST_ASSERT_VAL("Unmatched total period for socket filter",
hists->stats.total_non_filtered_period == 200);
/* remove socket filter first */
hists->socket_filter = -1;
hists__filter_by_socket(hists);
/* now applying all filters at once. */
hists->thread_filter = fake_samples[1].thread;
hists->dso_filter = fake_samples[1].map->dso;