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[73.202.46.50]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b26eb085ad4sm3330321a12.59.2025.05.17.09.32.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 May 2025 09:32:38 -0700 (PDT) From: Howard Chu 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 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 Message-ID: <20250517163230.1237469-4-howardchu95@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250517163230.1237469-1-howardchu95@gmail.com> References: <20250517163230.1237469-1-howardchu95@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 hrti= mer_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 [] [] or: perf trace [] -- [] or: perf trace record [] [] or: perf trace record [] -- [] -e, --event event/syscall selector. use 'perf list' to list avai= lable 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 --- 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/sh= ell/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=3D0 =20 syscall=3D"landlock_add_rule" -non_syscall=3D"timer:hrtimer_setup,timer:hrtimer_start" +non_syscall=3D"timer:hrtimer_start" =20 TESTPROG=3D"perf test -w landlock" =20 --=20 2.45.2