From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 10/73] perf record: Fix suggestion to get list of registers usable with --user-regs and --intr-regs Date: Fri, 17 May 2019 16:35:08 -0300 Message-ID: <20190517193611.4974-11-acme@kernel.org> References: <20190517193611.4974-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190517193611.4974-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Alexander Shishkin , Andi Kleen , Kan Liang , Peter Zijlstra , Stephane Eranian List-Id: linux-perf-users.vger.kernel.org From: Arnaldo Carvalho de Melo $ perf record -h -I Usage: perf record [] [] or: perf record [] -- [] -I, --intr-regs[=] 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 [] [] or: perf record [] -- [] -I, --intr-regs[=] 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 [] [] or: perf record [] -- [] -I, --intr-regs[=] sample selected machine registers on interrupt, use '-I?' to list register names $ Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jiri Olsa Cc: Kan Liang Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian 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 --- 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, -- 2.20.1