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perf: Remove leftover useless options to record trace events from scripts

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-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>
This commit is contained in:
Frederic Weisbecker 2010-04-30 19:55:00 +02:00
parent bc4b473f1a
commit e5a5f1f015
13 changed files with 17 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

6
tools/perf/Documentation/perf-trace-perl.txt
View file

@ -49,12 +49,10 @@ available as calls back into the perf executable (see below).
As an example, the following perf record command can be used to record As an example, the following perf record command can be used to record
all sched_wakeup events in the system: all sched_wakeup events in the system:
# perf record -c 1 -f -a -M -R -e sched:sched_wakeup # perf record -a -e sched:sched_wakeup
Traces meant to be processed using a script should be recorded with Traces meant to be processed using a script should be recorded with
the above options: -c 1 says to sample every event, -a to enable the above option: -a to enable system-wide collection.
system-wide collection, -M to multiplex the output, and -R to collect
raw samples.
The format file for the sched_wakep event defines the following fields The format file for the sched_wakep event defines the following fields
(see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format):

10
tools/perf/Documentation/perf-trace-python.txt
View file

@ -93,7 +93,7 @@ don't care how it exited, so we'll use 'perf record' to record only
the sys_enter events: the sys_enter events:
---- ----
# perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter # perf record -a -e raw_syscalls:sys_enter
^C[ perf record: Woken up 1 times to write data ] ^C[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 56.545 MB perf.data (~2470503 samples) ] [ perf record: Captured and wrote 56.545 MB perf.data (~2470503 samples) ]
@ -359,7 +359,7 @@ your script:
# cat kernel-source/tools/perf/scripts/python/bin/syscall-counts-record # cat kernel-source/tools/perf/scripts/python/bin/syscall-counts-record
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter perf record -a -e raw_syscalls:sys_enter
---- ----
The 'report' script is also a shell script with the same base name as 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).
As an example, the following perf record command can be used to record As an example, the following perf record command can be used to record
all sched_wakeup events in the system: all sched_wakeup events in the system:
# perf record -c 1 -f -a -M -R -e sched:sched_wakeup # perf record -a -e sched:sched_wakeup
Traces meant to be processed using a script should be recorded with Traces meant to be processed using a script should be recorded with
the above options: -c 1 says to sample every event, -a to enable the above option: -a to enable system-wide collection.
system-wide collection, -M to multiplex the output, and -R to collect
raw samples.
The format file for the sched_wakep event defines the following fields The format file for the sched_wakep event defines the following fields
(see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format):

2
tools/perf/scripts/perl/bin/check-perf-trace-record
View file

@ -1,2 +1,2 @@
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree perf record -a -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree

2
tools/perf/scripts/perl/bin/failed-syscalls-record
View file

@ -1,2 +1,2 @@
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e raw_syscalls:sys_exit $@ perf record -a -e raw_syscalls:sys_exit $@

2
tools/perf/scripts/perl/bin/rw-by-file-record
View file

@ -1,3 +1,3 @@
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@ perf record -a -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@

2
tools/perf/scripts/perl/bin/rw-by-pid-record
View file

@ -1,2 +1,2 @@
#!/bin/bash #!/bin/bash
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 $@ perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@

2
tools/perf/scripts/perl/bin/rwtop-record
View file

@ -1,2 +1,2 @@
#!/bin/bash #!/bin/bash
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 $@ perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@

2
tools/perf/scripts/perl/bin/wakeup-latency-record
View file

@ -1,5 +1,5 @@
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e sched:sched_switch -e sched:sched_wakeup $@ perf record -a -e sched:sched_switch -e sched:sched_wakeup $@

2
tools/perf/scripts/perl/bin/workqueue-stats-record
View file

@ -1,2 +1,2 @@
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@ perf record -a -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@

2
tools/perf/scripts/python/bin/failed-syscalls-by-pid-record
View file

@ -1,2 +1,2 @@
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e raw_syscalls:sys_exit $@ perf record -a -e raw_syscalls:sys_exit $@

2
tools/perf/scripts/python/bin/sctop-record
View file

@ -1,2 +1,2 @@
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter $@ perf record -a -e raw_syscalls:sys_enter $@

2
tools/perf/scripts/python/bin/syscall-counts-by-pid-record
View file

@ -1,2 +1,2 @@
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter $@ perf record -a -e raw_syscalls:sys_enter $@

2
tools/perf/scripts/python/bin/syscall-counts-record
View file

@ -1,2 +1,2 @@
#!/bin/bash #!/bin/bash
perf record -c 1 -f -a -M -R -e raw_syscalls:sys_enter $@ perf record -a -e raw_syscalls:sys_enter $@