From: Howard Chu <howardchu95@gmail.com>
To: acme@kernel.org
Cc: mingo@redhat.com, namhyung@kernel.org, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, jolsa@kernel.org,
irogers@google.com, adrian.hunter@intel.com,
peterz@infradead.org, kan.liang@linux.intel.com,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
Howard Chu <howardchu95@gmail.com>
Subject: [PATCH v1 3/5] perf test trace: Stop tracing hrtimer_init event in trace enum test
Date: Sat, 17 May 2025 09:32:28 -0700 [thread overview]
Message-ID: <20250517163230.1237469-4-howardchu95@gmail.com> (raw)
In-Reply-To: <20250517163230.1237469-1-howardchu95@gmail.com>
The event 'timer:hrtimer_setup' is relatively new, for older kernels,
perf trace enum tests won't run as the event 'timer:hrtimer_setup'
cannot be found.
It was originally called 'timer:hrtimer_init', before being renamed in:
commit 244132c4e577 ("tracing/timers: Rename the hrtimer_init event to hrtimer_setup")
Using timer:hrtimer_start should be enough for current testing, and
hopefully 'start' won't be renamed in the future.
Before:
$ sudo /tmp/perf test enum -vv
107: perf trace enum augmentation tests:
107: perf trace enum augmentation tests : Running
--- start ---
test child forked, pid 786187
Checking if vmlinux exists
Tracing syscall landlock_add_rule
Tracing non-syscall tracepoint timer:hrtimer_setup,timer:hrtimer_start
[tracepoint failure] Failed to trace timer:hrtimer_setup,timer:hrtimer_start tracepoint, output:
event syntax error: 'timer:hrtimer_setup,timer:hrtimer_start'
\___ unknown tracepoint
Error: File /sys/kernel/tracing//events/timer/hrtimer_setup not found.
Hint: Perhaps this kernel misses some CONFIG_ setting to enable this feature?.
Run 'perf list' for a list of valid events
Usage: perf trace [<options>] [<command>]
or: perf trace [<options>] -- <command> [<options>]
or: perf trace record [<options>] [<command>]
or: perf trace record [<options>] -- <command> [<options>]
-e, --event <event> event/syscall selector. use 'perf list' to list available events
---- end(-1) ----
107: perf trace enum augmentation tests : FAILED!
After:
$ sudo /tmp/perf test enum -vv
107: perf trace enum augmentation tests:
107: perf trace enum augmentation tests : Running
--- start ---
test child forked, pid 808547
Checking if vmlinux exists
Tracing syscall landlock_add_rule
Tracing non-syscall tracepoint timer:hrtimer_start
---- end(0) ----
107: perf trace enum augmentation tests : Ok
Signed-off-by: Howard Chu <howardchu95@gmail.com>
---
tools/perf/tests/shell/trace_btf_enum.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/tests/shell/trace_btf_enum.sh b/tools/perf/tests/shell/trace_btf_enum.sh
index cd4c8754f5d4..da6903108c8b 100755
--- a/tools/perf/tests/shell/trace_btf_enum.sh
+++ b/tools/perf/tests/shell/trace_btf_enum.sh
@@ -5,7 +5,7 @@
err=0
syscall="landlock_add_rule"
-non_syscall="timer:hrtimer_setup,timer:hrtimer_start"
+non_syscall="timer:hrtimer_start"
TESTPROG="perf test -w landlock"
--
2.45.2
next prev parent reply other threads:[~2025-05-17 16:32 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-17 16:32 [PATCH v1 0/5] perf test trace: Reduce test failures and make error messages verbose Howard Chu
2025-05-17 16:32 ` [PATCH v1 1/5] perf test trace: Use shell's -f flag to check if vmlinux exists Howard Chu
2025-05-17 16:32 ` [PATCH v1 2/5] perf test trace: Remove set -e and print trace test's error messages Howard Chu
2025-05-18 17:36 ` Namhyung Kim
2025-05-18 18:14 ` Howard Chu
2025-05-17 16:32 ` Howard Chu [this message]
2025-05-17 16:32 ` [PATCH v1 4/5] perf test trace: Remove set -e for BTF general tests Howard Chu
2025-05-18 17:38 ` Namhyung Kim
2025-05-18 18:18 ` Howard Chu
2025-05-17 16:32 ` [PATCH v1 5/5] perf test trace BTF: Use --sort-events in " Howard Chu
2025-05-18 17:51 ` Namhyung Kim
2025-05-18 18:11 ` Howard Chu
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