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perf tests: Add topdown events counting and sampling tests

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Add counting and leader sampling tests to verify topdown events including
raw format can be reordered correctly.

Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Yongwei Ma <yongwei.ma@intel.com>
Link: https://lore.kernel.org/r/20240913084712.13861-6-dapeng1.mi@linux.intel.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Dapeng Mi 2024-09-13 08:47:11 +00:00 committed by Namhyung Kim
parent 387892723a
commit 0836aa6008
2 changed files with 23 additions and 0 deletions
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17
tools/perf/tests/shell/record.sh
View File

@ -255,6 +255,22 @@ test_leader_sampling() {
echo "Basic leader sampling test [Success]"
}
test_topdown_leader_sampling() {
echo "Topdown leader sampling test"
if ! perf stat -e "{slots,topdown-retiring}" true 2> /dev/null
then
echo "Topdown leader sampling [Skipped event parsing failed]"
return
fi
if ! perf record -o "${perfdata}" -e "{instructions,slots,topdown-retiring}:S" true 2> /dev/null
then
echo "Topdown leader sampling [Failed topdown events not reordered correctly]"
err=1
return
fi
echo "Topdown leader sampling test [Success]"
}
# raise the limit of file descriptors to minimum
if [[ $default_fd_limit -lt $min_fd_limit ]]; then
ulimit -Sn $min_fd_limit
@ -267,6 +283,7 @@ test_workload
test_branch_counter
test_cgroup
test_leader_sampling
test_topdown_leader_sampling
# restore the default value
ulimit -Sn $default_fd_limit

6
tools/perf/tests/shell/stat.sh
View File

@ -79,6 +79,12 @@ test_topdown_groups() {
err=1
return
fi
if perf stat -e '{instructions,r400,r8000}' true 2>&1 | grep -E -q "<not supported>"
then
echo "Topdown event group test [Failed raw format slots not reordered first]"
err=1
return
fi
echo "Topdown event group test [Success]"
}