From: tip-bot for Arnaldo Carvalho de Melo <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: namhyung@kernel.org, dsahern@gmail.com, tglx@linutronix.de,
hpa@zytor.com, jolsa@kernel.org, linux-kernel@vger.kernel.org,
acme@redhat.com, adrian.hunter@intel.com, mingo@kernel.org,
wangnan0@huawei.com
Subject: [tip:perf/urgent] perf trace: Use perf_evsel__sc_tp_{uint,ptr} for "id"/"args" handling syscalls:* events
Date: Sat, 18 Aug 2018 04:21:58 -0700 [thread overview]
Message-ID: <tip-y59may7zx1eccnp4m3qm4u0b@git.kernel.org> (raw)
Commit-ID: f3acd8869b9badcfd91cf50a2b6242be7b9368e2
Gitweb: https://git.kernel.org/tip/f3acd8869b9badcfd91cf50a2b6242be7b9368e2
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Thu, 2 Aug 2018 15:11:58 -0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 2 Aug 2018 15:39:00 -0300
perf trace: Use perf_evsel__sc_tp_{uint,ptr} for "id"/"args" handling syscalls:* events
Now it looks just about the same as for the trace__sys_{enter,exit}.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-y59may7zx1eccnp4m3qm4u0b@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-trace.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 41799596c045..7232a7302580 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1693,20 +1693,13 @@ out_put:
static int trace__fprintf_sys_enter(struct trace *trace, struct perf_evsel *evsel,
struct perf_sample *sample)
{
- struct format_field *field = perf_evsel__field(evsel, "__syscall_nr");
struct thread_trace *ttrace;
struct thread *thread;
- struct syscall *sc;
+ int id = perf_evsel__sc_tp_uint(evsel, id, sample), err = -1;
+ struct syscall *sc = trace__syscall_info(trace, evsel, id);
char msg[1024];
- int id, err = -1;
void *args;
- if (field == NULL)
- return -1;
-
- id = format_field__intval(field, sample, evsel->needs_swap);
- sc = trace__syscall_info(trace, evsel, id);
-
if (sc == NULL)
return -1;
@@ -1719,7 +1712,7 @@ static int trace__fprintf_sys_enter(struct trace *trace, struct perf_evsel *evse
if (ttrace == NULL)
goto out_put;
- args = sample->raw_data + field->offset + sizeof(u64); /* skip __syscall_nr, there is where args are */
+ args = perf_evsel__sc_tp_ptr(evsel, args, sample);
syscall__scnprintf_args(sc, msg, sizeof(msg), args, trace, thread);
fprintf(trace->output, "%s", msg);
err = 0;
reply other threads:[~2018-08-18 11:22 UTC|newest]
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