From 3cdc8db91e0e73f94fa6ce3bf966b0152ccf0107 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 17 Oct 2019 16:41:34 -0300 Subject: [PATCH] perf trace: Show error message when not finding a field used in a filter expression MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Cc: David Ahern Cc: Jiri Olsa Cc: Luis Cláudio Gonçalves Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-ly4rgm1bto8uwc2itpaixjob@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 4 ++-- 1 file 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; } -- 2.45.2