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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-10-17 16:41:34 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-10-17 17:26:35 -0300 |
| commit | 3cdc8db91e0e73f94fa6ce3bf966b0152ccf0107 (patch) | |
| tree | c8f0c71ca99a3f4cfb1acb8319fd88d0df6682d7 /tools/perf/builtin-trace.c | |
| parent | perf trace: Hook the 'vec' tracepoint argument with the x86 IRQ vectors scnprintf/strtoul (diff) | |
| download | linux-dev-3cdc8db91e0e73f94fa6ce3bf966b0152ccf0107.tar.xz linux-dev-3cdc8db91e0e73f94fa6ce3bf966b0152ccf0107.zip | |
perf trace: Show error message when not finding a field used in a filter expression
It was there, but as pr_debug(), make it pr_err() so that we can see it
without -v:
# trace -e syscalls:*lseek --filter="whenc==SET" sleep 1
"whenc" not found in "syscalls:sys_enter_lseek", can't set filter "whenc==SET"
#
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-ly4rgm1bto8uwc2itpaixjob@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index e71605c99080..cafd18466dfa 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -3611,8 +3611,8 @@ static int trace__expand_filter(struct trace *trace __maybe_unused, struct evsel fmt = perf_evsel__syscall_arg_fmt(evsel, arg); if (fmt == NULL) { - pr_debug("\"%s\" not found in \"%s\", can't set filter \"%s\"\n", - arg, evsel->name, evsel->filter); + pr_err("\"%s\" not found in \"%s\", can't set filter \"%s\"\n", + arg, evsel->name, evsel->filter); return -1; } |