From: tip-bot for Arnaldo Carvalho de Melo <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: tglx@linutronix.de, acme@redhat.com, adrian.hunter@intel.com,
hpa@zytor.com, jolsa@kernel.org, eranian@google.com,
mingo@kernel.org, ak@linux.intel.com, peterz@infradead.org,
kan.liang@linux.intel.com, alexander.shishkin@linux.intel.com,
linux-kernel@vger.kernel.org, namhyung@kernel.org
Subject: [tip:perf/core] perf record: Fix suggestion to get list of registers usable with --user-regs and --intr-regs
Date: Sat, 18 May 2019 01:52:32 -0700 [thread overview]
Message-ID: <tip-r0xhfhy5radmkhhcbcfs5izf@git.kernel.org> (raw)
Commit-ID: 8e5bc76f2ce39ffd48350d6dd9318d78d07b0bfa
Gitweb: https://git.kernel.org/tip/8e5bc76f2ce39ffd48350d6dd9318d78d07b0bfa
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Mon, 13 May 2019 15:55:01 -0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 15 May 2019 16:36:46 -0300
perf record: Fix suggestion to get list of registers usable with --user-regs and --intr-regs
$ perf record -h -I
Usage: perf record [<options>] [<command>]
or: perf record [<options>] -- <command> [<options>]
-I, --intr-regs[=<any register>]
sample selected machine registers on interrupt, use -I ? to list register names
$ m
$ perf record -I ?
Workload failed: No such file or directory
$
After:
$ perf record -h -I
Usage: perf record [<options>] [<command>]
or: perf record [<options>] -- <command> [<options>]
-I, --intr-regs[=<any register>]
sample selected machine registers on interrupt, use '-I?' to list register names
$
$ perf record -I?
available registers: AX BX CX DX SI DI BP SP IP FLAGS CS SS R8 R9 R10 R11 R12 R13 R14 R15
Usage: perf record [<options>] [<command>]
or: perf record [<options>] -- <command> [<options>]
-I, --intr-regs[=<any register>]
sample selected machine registers on interrupt, use '-I?' to list register names
$
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Fixes: bcc84ec65ad1 ("perf record: Add ability to name registers to record")
Link: https://lkml.kernel.org/n/tip-r0xhfhy5radmkhhcbcfs5izf@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-record.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index c5e10552776a..d2b5a22b7249 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -2017,10 +2017,10 @@ static struct option __record_options[] = {
"use per-thread mmaps"),
OPT_CALLBACK_OPTARG('I', "intr-regs", &record.opts.sample_intr_regs, NULL, "any register",
"sample selected machine registers on interrupt,"
- " use -I ? to list register names", parse_regs),
+ " use '-I?' to list register names", parse_regs),
OPT_CALLBACK_OPTARG(0, "user-regs", &record.opts.sample_user_regs, NULL, "any register",
"sample selected machine registers on interrupt,"
- " use -I ? to list register names", parse_regs),
+ " use '-I?' to list register names", parse_regs),
OPT_BOOLEAN(0, "running-time", &record.opts.running_time,
"Record running/enabled time of read (:S) events"),
OPT_CALLBACK('k', "clockid", &record.opts,
reply other threads:[~2019-05-18 8:52 UTC|newest]
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