From: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
To: acme@redhat.com
Cc: ravi.bangoria@linux.ibm.com, jolsa@redhat.com,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] libsubcmd: Fix OPT_CALLBACK_SET()
Date: Fri, 19 Jun 2020 19:04:11 +0530
Message-ID: <20200619133412.50705-1-ravi.bangoria@linux.ibm.com> (raw)
Any option macro with _SET suffix should set opt->set variable which
is not happening for OPT_CALLBACK_SET(). This is causing issues with
perf record --switch-output-event. Fix that.
Before:
# ./perf record --overwrite -e sched:*switch,syscalls:sys_enter_mmap \
--switch-output-event syscalls:sys_enter_mmap
^C[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.297 MB perf.data (657 samples) ]
After:
$ ./perf record --overwrite -e sched:*switch,syscalls:sys_enter_mmap \
--switch-output-event syscalls:sys_enter_mmap
[ perf record: dump data: Woken up 1 times ]
[ perf record: Dump perf.data.2020061918144542 ]
[ perf record: dump data: Woken up 1 times ]
[ perf record: Dump perf.data.2020061918144608 ]
[ perf record: dump data: Woken up 1 times ]
[ perf record: Dump perf.data.2020061918144660 ]
^C[ perf record: dump data: Woken up 1 times ]
[ perf record: Dump perf.data.2020061918144784 ]
[ perf record: Woken up 0 times to write data ]
[ perf record: Dump perf.data.2020061918144803 ]
[ perf record: Captured and wrote 0.419 MB perf.data.<timestamp> ]
Fixes: 636eb4d001b1 ("libsubcmd: Introduce OPT_CALLBACK_SET()")
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
---
tools/lib/subcmd/parse-options.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/lib/subcmd/parse-options.c b/tools/lib/subcmd/parse-options.c
index dbb9efbf718a..39ebf6192016 100644
--- a/tools/lib/subcmd/parse-options.c
+++ b/tools/lib/subcmd/parse-options.c
@@ -237,6 +237,9 @@ static int get_value(struct parse_opt_ctx_t *p,
return err;
case OPTION_CALLBACK:
+ if (opt->set)
+ *(bool *)opt->set = true;
+
if (unset)
return (*opt->callback)(opt, NULL, 1) ? (-1) : 0;
if (opt->flags & PARSE_OPT_NOARG)
--
2.17.1
next reply index
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-19 13:34 Ravi Bangoria [this message]
2020-06-19 13:34 ` [PATCH 2/2] perf record: Fix --switch-output=time documentation Ravi Bangoria
2020-07-17 3:40 ` [PATCH 1/2] libsubcmd: Fix OPT_CALLBACK_SET() Ravi Bangoria
2020-07-17 12:34 ` Arnaldo Carvalho de Melo
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