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Commit 07100877 authored by Daniel Bristot de Oliveira's avatar Daniel Bristot de Oliveira Committed by Arnaldo Carvalho de Melo
Browse files

perf scripts: Fallback to syscalls:* when raw_syscalls:* is not available 



Older kernels (e.g., RHEL6) do system call tracing via the
syscalls:sys_{enter,exit} tracepoints rather than using raw_syscalls:*.

Update perf python and perl scripts to fallback to syscalls:* when
raw_syscalls:* isn't available.

Signed-off-by: default avatarDaniel Bristot de Oliveira <bristot@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Luis Claudio R. Goncalves <lgoncalv@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/5a6c64081a3375bc3bc66351b14559678ef4d71e.1402507908.git.bristot@redhat.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 1c92f885

tools/perf/scripts/perl/bin/failed-syscalls-record

+2 −1
Original line number Diff line number Diff line 
#!/bin/bash

perf record -e raw_syscalls:sys_exit $@
 
(perf record -e raw_syscalls:sys_exit $@ || \

 perf record -e syscalls:sys_exit $@) 2> /dev/null

tools/perf/scripts/perl/failed-syscalls.pl

+5 −0
Original line number Diff line number Diff line
@@ -26,6 +26,11 @@ sub raw_syscalls::sys_exit 
	}

}



sub syscalls::sys_exit

{

	raw_syscalls::sys_exit(@_)

}



sub trace_end

{

    printf("\nfailed syscalls by comm:\n\n");

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

+2 −1
Original line number Diff line number Diff line 
#!/bin/bash

perf record -e raw_syscalls:sys_exit $@
 
(perf record -e raw_syscalls:sys_exit $@ || \

 perf record -e syscalls:sys_exit $@) 2> /dev/null

tools/perf/scripts/python/bin/sctop-record

+2 −1
Original line number Diff line number Diff line 
#!/bin/bash

perf record -e raw_syscalls:sys_enter $@
 
(perf record -e raw_syscalls:sys_enter $@ || \

 perf record -e syscalls:sys_enter $@) 2> /dev/null

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

+2 −1
Original line number Diff line number Diff line 
#!/bin/bash

perf record -e raw_syscalls:sys_enter $@
 
(perf record -e raw_syscalls:sys_enter $@ || \

 perf record -e syscalls:sys_enter $@) 2> /dev/null