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SubjectRe: [tree] Performance Counters for Linux, v7
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On Sat, 2009-03-21 at 17:10 +0100, Ingo Molnar wrote:

> There's also been lots of updates to the userspace tools (kerneltop
> and perfstat):
>
> http://redhat.com/~mingo/perfcounters/kerneltop.c
> http://redhat.com/~mingo/perfcounters/perfstat.c
>

If possible, can we also prepare git tree for these userspace tools by
this way we can also look on logs and check incremental changes
otherwise we leads to:

[jaswinder@hpdv5 20090321]$ cc -O2 -g -lrt -Wall -W -o perfstat perfstat.c
perfstat.c:57:40: error: include/linux/perf_counter.h: No such file or directory
perfstat.c:83: warning: ‘struct perf_counter_hw_event’ declared inside parameter list
perfstat.c:83: warning: its scope is only this definition or declaration, which is probably not what you want
perfstat.c:127: error: ‘PERF_TYPE_SOFTWARE’ undeclared here (not in a function)
perfstat.c:127: error: ‘PERF_COUNT_TASK_CLOCK’ undeclared here (not in a function)
perfstat.c:128: error: ‘PERF_COUNT_CPU_MIGRATIONS’ undeclared here (not in a function)
perfstat.c:129: error: ‘PERF_COUNT_CONTEXT_SWITCHES’ undeclared here (not in a function)
perfstat.c:130: error: ‘PERF_COUNT_PAGE_FAULTS’ undeclared here (not in a function)
perfstat.c:131: error: ‘PERF_TYPE_HARDWARE’ undeclared here (not in a function)
perfstat.c:131: error: ‘PERF_COUNT_CPU_CYCLES’ undeclared here (not in a function)
perfstat.c:132: error: ‘PERF_COUNT_INSTRUCTIONS’ undeclared here (not in a function)
perfstat.c:133: error: ‘PERF_COUNT_CACHE_REFERENCES’ undeclared here (not in a function)
perfstat.c:134: error: ‘PERF_COUNT_CACHE_MISSES’ undeclared here (not in a function)
perfstat.c: In function ‘type_valid’:
perfstat.c:164: error: ‘PERF_HW_EVENTS_MAX’ undeclared (first use in this function)
perfstat.c:164: error: (Each undeclared identifier is reported only once
perfstat.c:164: error: for each function it appears in.)
perfstat.c:166: error: ‘PERF_SW_EVENTS_MAX’ undeclared (first use in this function)
perfstat.c:167: error: ‘PERF_TYPE_TRACEPOINT’ undeclared (first use in this function)
perfstat.c: In function ‘event_name’:
perfstat.c:194: error: ‘PERF_TYPE_TRACEPOINT’ undeclared (first use in this function)
perfstat.c: In function ‘create_counter’:
perfstat.c:286: error: storage size of ‘hw_event’ isn’t known
perfstat.c:290: error: ‘PERF_RECORD_SIMPLE’ undeclared (first use in this function)
perfstat.c:286: warning: unused variable ‘hw_event’
perfstat.c: In function ‘main’:
perfstat.c:385: error: ‘PERF_COUNT_CPU_CLOCK’ undeclared (first use in this function)
[jaswinder@hpdv5 20090321]$
[jaswinder@hpdv5 20090321]$ cc -O2 -g -lrt -Wall -W -o perfstat perfstat.c -I/home/jaswinder/jaswinder-git/linux-2.6-tip
[jaswinder@hpdv5 20090321]$ ./perfstat -e 1 -e 3 -e 5 ls -lR /usr/include/
Usage: perfstat [<events...>] <cmd...>

PerfStat Options (up to 64 event types can be specified):

-e EID --event_id=EID # event type ID
0: CPU cycles
1: instructions
2: cache accesses
3: cache misses
4: branch instructions
5: branch prediction misses
6: bus cycles

-s # system-wide collection

-c <cmd..> --command=<cmd..> # command+arguments to be timed.

[jaswinder@hpdv5 20090321]$ ./perfstat -e 0,1,2 -c ls
Usage: perfstat [<events...>] <cmd...>

PerfStat Options (up to 64 event types can be specified):

-e EID --event_id=EID # event type ID
0: CPU cycles
1: instructions
2: cache accesses
3: cache misses
4: branch instructions
5: branch prediction misses
6: bus cycles

-s # system-wide collection

-c <cmd..> --command=<cmd..> # command+arguments to be timed.

[jaswinder@hpdv5 20090321]$

Thanks,

--
JSR

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