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authorJiri Olsa <jolsa@kernel.org>2015-09-07 10:38:06 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-09-15 09:48:33 -0300
commit8dd2a1317eba2c207632dcb19adb7cb746861652 (patch)
tree15d062f65152a883e2dd459f397bbcf5b1cffe68 /tools/perf/tests/openat-syscall-tp-fields.c
parentperf tools: Propagate error info for the tracepoint parsing (diff)
downloadlinux-dev-8dd2a1317eba2c207632dcb19adb7cb746861652.tar.xz
linux-dev-8dd2a1317eba2c207632dcb19adb7cb746861652.zip
perf evsel: Propagate error info from tp_format
Propagate error info from tp_format via ERR_PTR to get it all the way down to the parse-event.c tracepoint adding routines. Following functions now return pointer with encoded error: - tp_format - trace_event__tp_format - perf_evsel__newtp_idx - perf_evsel__newtp This affects several other places in perf, that cannot use pointer check anymore, but must utilize the err.h interface, when getting error information from above functions list. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Raphael Beamonte <raphael.beamonte@gmail.com> Link: http://lkml.kernel.org/r/1441615087-13886-5-git-send-email-jolsa@kernel.org [ Add two missing ERR_PTR() and one IS_ERR() ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/openat-syscall-tp-fields.c')
-rw-r--r--tools/perf/tests/openat-syscall-tp-fields.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c
index 01a19626c846..473d3869727e 100644
--- a/tools/perf/tests/openat-syscall-tp-fields.c
+++ b/tools/perf/tests/openat-syscall-tp-fields.c
@@ -1,3 +1,4 @@
+#include <linux/err.h>
#include "perf.h"
#include "evlist.h"
#include "evsel.h"
@@ -30,7 +31,7 @@ int test__syscall_openat_tp_fields(void)
}
evsel = perf_evsel__newtp("syscalls", "sys_enter_openat");
- if (evsel == NULL) {
+ if (IS_ERR(evsel)) {
pr_debug("%s: perf_evsel__newtp\n", __func__);
goto out_delete_evlist;
}