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Arnaldo Carvalho de Melo 18483b81ee perf record: Fix eternal wait for stillborn child 
When execvp fails to find the specified command on the path we won't get
SIGCHLD, so send a SIGUSR1 and exit right away.

Current situation would require a SIGINT performed by the user and would
produce meaningless summary.

Now:

[acme@emilia linux]$ ./foo
-bash: ./foo: No such file or directory
[acme@emilia linux]$ perf record ./foo
./foo: No such file or directory
[acme@emilia linux]$

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 		2010-12-06 15:13:38 -02:00
..
Documentation perf trace: update Documentation with new perf trace variants 2010-11-10 08:19:35 -06:00
arch Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-08-06 09:30:52 -07:00
bench perf options: Check v type in OPT_U?INTEGER 2010-05-17 15:43:38 -03:00
scripts perf trace scripting: remove system-wide param from shell scripts 2010-11-10 08:08:20 -06:00
util perf header: Don't assume there's no attr info if no sample ids is provided 2010-11-30 14:48:07 -02:00
.gitignore perf tools: .gitignore += config.make config.make.autogen 2010-06-17 10:24:31 -03:00
CREDITS perf_counter tools: Add CREDITS file for Git contributors 2009-06-24 19:54:29 +02:00
MANIFEST perf tools: Make target to generate self contained source tarball 2010-06-05 09:33:35 -03:00
Makefile Merge branch 'perf/urgent' into perf/core 2010-10-05 09:47:14 +02:00
builtin-annotate.c perf tools: Add --tui and --stdio to choose the UI 2010-08-21 10:49:46 -03:00
builtin-bench.c perf options: Type check all the remaining OPT_ variants 2010-05-17 16:22:41 -03:00
builtin-buildid-cache.c perf buildid: add perfconfig option to specify buildid cache dir 2010-06-05 09:34:04 -03:00
builtin-buildid-list.c perf tools: Remove unneeded code for tracking the cwd in perf sessions 2010-07-27 11:46:12 -03:00
builtin-diff.c perf tools: Remove unneeded code for tracking the cwd in perf sessions 2010-07-27 11:46:12 -03:00
builtin-help.c perf options: Type check all the remaining OPT_ variants 2010-05-17 16:22:41 -03:00
builtin-inject.c perf inject: Add missing bits 2010-05-04 10:48:22 -03:00
builtin-kmem.c perf: add perf-inject builtin 2010-05-02 13:36:56 -03:00
builtin-kvm.c perf options: Type check all the remaining OPT_ variants 2010-05-17 16:22:41 -03:00
builtin-list.c perf list: Fix large list output by using the pager 2009-08-13 09:05:48 +02:00
builtin-lock.c perf options: Type check OPT_BOOLEAN and fix the offenders 2010-05-17 16:22:37 -03:00
builtin-probe.c perf probe: Add basic module support 2010-10-21 16:11:44 -02:00
builtin-record.c perf record: Fix eternal wait for stillborn child 2010-12-06 15:13:38 -02:00
builtin-report.c perf: Rename append_callchain into callchain_append 2010-08-22 20:43:51 +02:00
builtin-sched.c perf: Use event__process_task from perf sched 2010-06-01 00:10:32 +02:00
builtin-stat.c perf tools: Add the ability to specify list of cpus to monitor 2010-06-05 09:33:01 -03:00
builtin-test.c perf options: Type check OPT_BOOLEAN and fix the offenders 2010-05-17 16:22:37 -03:00
builtin-timechart.c perf timechart: Adjust confusing if indentation 2010-08-05 19:38:02 -03:00
builtin-top.c perf: Fix usages of profile_cpu in builtin-top.c to use cpu_list 2010-11-10 09:16:12 +01:00
builtin-trace.c perf trace: update usage 2010-11-10 08:20:45 -06:00
builtin.h perf: add perf-inject builtin 2010-05-02 13:36:56 -03:00
command-list.txt perf inject: Add missing bits 2010-05-04 10:48:22 -03:00
design.txt perf: Fix few typos + cosmetics 2010-01-13 17:39:44 +01:00
feature-tests.mak Merge branch 'linus' into perf/core 2010-08-25 13:10:00 +02:00
perf-archive.sh perf buildid: add perfconfig option to specify buildid cache dir 2010-06-05 09:34:04 -03:00
perf.c perf buildid: add perfconfig option to specify buildid cache dir 2010-06-05 09:34:04 -03:00
perf.h perf, MIPS: Support cross compiling of tools/perf for MIPS 2010-10-12 13:34:37 +02:00