diff options
| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-04-30 13:55:00 -0400 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-04-30 13:55:00 -0400 |
| commit | e5a5f1f015cf435eb3d2f5712ba51ffdbb92cbef (patch) | |
| tree | b34761e9f795e991667bd0d12f633276e0422241 /tools | |
| parent | bc4b473f1aa2ef785ccfd890a24a1de5a6660f98 (diff) | |
perf: Remove leftover useless options to record trace events from scripts
-f, -c 1, -R are now useless for trace events recording, moreover
-M is useless and event hurts.
Remove them from the documentation examples and from record scripts.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
Diffstat (limited to 'tools')
13 files changed, 17 insertions, 21 deletions
diff --git a/tools/perf/Documentation/perf-trace-perl.txt b/tools/perf/Documentation/perf-trace-perl.txt index d729cee8d987..ee6525ee6d69 100644 --- a/tools/perf/Documentation/perf-trace-perl.txt +++ b/tools/perf/Documentation/perf-trace-perl.txt | |||
| @@ -49,12 +49,10 @@ available as calls back into the perf executable (see below). | |||
| 49 | As an example, the following perf record command can be used to record | 49 | As an example, the following perf record command can be used to record |
| 50 | all sched_wakeup events in the system: | 50 | all sched_wakeup events in the system: |
| 51 | 51 | ||
| 52 | # perf record -c 1 -f -a -M -R -e sched:sched_wakeup | 52 | # perf record -a -e sched:sched_wakeup |
| 53 | 53 | ||
| 54 | Traces meant to be processed using a script should be recorded with | 54 | Traces meant to be processed using a script should be recorded with |
| 55 | the above options: -c 1 says to sample every event, -a to enable | 55 | the above option: -a to enable system-wide collection. |
| 56 | system-wide collection, -M to multiplex the output, and -R to collect | ||
| 57 | raw samples. | ||
| 58 | 56 | ||
| 59 | The format file for the sched_wakep event defines the following fields | 57 | The format file for the sched_wakep event defines the following fields |
| 60 | (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): | 58 | (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): |
diff --git a/tools/perf/Documentation/perf-trace-python.txt b/tools/perf/Documentation/perf-trace-python.txt index a241aca77184..16a86500dcf1 100644 --- a/tools/perf/Documentation/perf-trace-python.txt +++ b/tools/perf/Documentation/perf-trace-python.txt | |||
| @@ -93,7 +93,7 @@ don't care how it exited, so we'll use 'perf record' to record only | |||
| 93 | the sys_enter events: | 93 | the sys_enter events: |
| 94 | 94 | ||
| 95 | ---- | 95 | ---- |
| 96 | # perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter | 96 | # perf record -a -e raw_syscalls:sys_enter |
| 97 | 97 | ||
| 98 | ^C[ perf record: Woken up 1 times to write data ] | 98 | ^C[ perf record: Woken up 1 times to write data ] |
| 99 | [ perf record: Captured and wrote 56.545 MB perf.data (~2470503 samples) ] | 99 | [ perf record: Captured and wrote 56.545 MB perf.data (~2470503 samples) ] |
| @@ -359,7 +359,7 @@ your script: | |||
| 359 | # cat kernel-source/tools/perf/scripts/python/bin/syscall-counts-record | 359 | # cat kernel-source/tools/perf/scripts/python/bin/syscall-counts-record |
| 360 | 360 | ||
| 361 | #!/bin/bash | 361 | #!/bin/bash |
| 362 | perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter | 362 | perf record -a -e raw_syscalls:sys_enter |
| 363 | ---- | 363 | ---- |
| 364 | 364 | ||
| 365 | The 'report' script is also a shell script with the same base name as | 365 | The 'report' script is also a shell script with the same base name as |
| @@ -449,12 +449,10 @@ available as calls back into the perf executable (see below). | |||
| 449 | As an example, the following perf record command can be used to record | 449 | As an example, the following perf record command can be used to record |
| 450 | all sched_wakeup events in the system: | 450 | all sched_wakeup events in the system: |
| 451 | 451 | ||
| 452 | # perf record -c 1 -f -a -M -R -e sched:sched_wakeup | 452 | # perf record -a -e sched:sched_wakeup |
| 453 | 453 | ||
| 454 | Traces meant to be processed using a script should be recorded with | 454 | Traces meant to be processed using a script should be recorded with |
| 455 | the above options: -c 1 says to sample every event, -a to enable | 455 | the above option: -a to enable system-wide collection. |
| 456 | system-wide collection, -M to multiplex the output, and -R to collect | ||
| 457 | raw samples. | ||
| 458 | 456 | ||
| 459 | The format file for the sched_wakep event defines the following fields | 457 | The format file for the sched_wakep event defines the following fields |
| 460 | (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): | 458 | (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): |
diff --git a/tools/perf/scripts/perl/bin/check-perf-trace-record b/tools/perf/scripts/perl/bin/check-perf-trace-record index e6cb1474f8e8..423ad6aed056 100644 --- a/tools/perf/scripts/perl/bin/check-perf-trace-record +++ b/tools/perf/scripts/perl/bin/check-perf-trace-record | |||
| @@ -1,2 +1,2 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree | 2 | perf record -a -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree |
diff --git a/tools/perf/scripts/perl/bin/failed-syscalls-record b/tools/perf/scripts/perl/bin/failed-syscalls-record index 6ad9b8f5f009..eb5846bcb565 100644 --- a/tools/perf/scripts/perl/bin/failed-syscalls-record +++ b/tools/perf/scripts/perl/bin/failed-syscalls-record | |||
| @@ -1,2 +1,2 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e raw_syscalls:sys_exit $@ | 2 | perf record -a -e raw_syscalls:sys_exit $@ |
diff --git a/tools/perf/scripts/perl/bin/rw-by-file-record b/tools/perf/scripts/perl/bin/rw-by-file-record index a828679837a8..5bfaae5a6cba 100644 --- a/tools/perf/scripts/perl/bin/rw-by-file-record +++ b/tools/perf/scripts/perl/bin/rw-by-file-record | |||
| @@ -1,3 +1,3 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@ | 2 | perf record -a -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@ |
| 3 | 3 | ||
diff --git a/tools/perf/scripts/perl/bin/rw-by-pid-record b/tools/perf/scripts/perl/bin/rw-by-pid-record index 63976bf11e8b..6e0b2f7755ac 100644 --- a/tools/perf/scripts/perl/bin/rw-by-pid-record +++ b/tools/perf/scripts/perl/bin/rw-by-pid-record | |||
| @@ -1,2 +1,2 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ | 2 | perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ |
diff --git a/tools/perf/scripts/perl/bin/rwtop-record b/tools/perf/scripts/perl/bin/rwtop-record index 63976bf11e8b..6e0b2f7755ac 100644 --- a/tools/perf/scripts/perl/bin/rwtop-record +++ b/tools/perf/scripts/perl/bin/rwtop-record | |||
| @@ -1,2 +1,2 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ | 2 | perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@ |
diff --git a/tools/perf/scripts/perl/bin/wakeup-latency-record b/tools/perf/scripts/perl/bin/wakeup-latency-record index 9c0cf588ff8c..9f2acaaae9f0 100644 --- a/tools/perf/scripts/perl/bin/wakeup-latency-record +++ b/tools/perf/scripts/perl/bin/wakeup-latency-record | |||
| @@ -1,5 +1,5 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e sched:sched_switch -e sched:sched_wakeup $@ | 2 | perf record -a -e sched:sched_switch -e sched:sched_wakeup $@ |
| 3 | 3 | ||
| 4 | 4 | ||
| 5 | 5 | ||
diff --git a/tools/perf/scripts/perl/bin/workqueue-stats-record b/tools/perf/scripts/perl/bin/workqueue-stats-record index c2a1a9421133..85301f2471ff 100644 --- a/tools/perf/scripts/perl/bin/workqueue-stats-record +++ b/tools/perf/scripts/perl/bin/workqueue-stats-record | |||
| @@ -1,2 +1,2 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@ | 2 | perf record -a -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@ |
diff --git a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record index 6ad9b8f5f009..eb5846bcb565 100644 --- a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record +++ b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record | |||
| @@ -1,2 +1,2 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e raw_syscalls:sys_exit $@ | 2 | perf record -a -e raw_syscalls:sys_exit $@ |
diff --git a/tools/perf/scripts/python/bin/sctop-record b/tools/perf/scripts/python/bin/sctop-record index 27ccffa26ab4..1fc5998b721d 100644 --- a/tools/perf/scripts/python/bin/sctop-record +++ b/tools/perf/scripts/python/bin/sctop-record | |||
| @@ -1,2 +1,2 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter $@ | 2 | perf record -a -e raw_syscalls:sys_enter $@ |
diff --git a/tools/perf/scripts/python/bin/syscall-counts-by-pid-record b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record index 27ccffa26ab4..1fc5998b721d 100644 --- a/tools/perf/scripts/python/bin/syscall-counts-by-pid-record +++ b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record | |||
| @@ -1,2 +1,2 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter $@ | 2 | perf record -a -e raw_syscalls:sys_enter $@ |
diff --git a/tools/perf/scripts/python/bin/syscall-counts-record b/tools/perf/scripts/python/bin/syscall-counts-record index 27ccffa26ab4..1fc5998b721d 100644 --- a/tools/perf/scripts/python/bin/syscall-counts-record +++ b/tools/perf/scripts/python/bin/syscall-counts-record | |||
| @@ -1,2 +1,2 @@ | |||
| 1 | #!/bin/bash | 1 | #!/bin/bash |
| 2 | perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter $@ | 2 | perf record -a -e raw_syscalls:sys_enter $@ |