linux-kernel - Re: [tree] Performance Counters for Linux, v7

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Message-Id: <1237704538.29643.8.camel@localhost.localdomain>
Date:	Sun, 22 Mar 2009 12:18:58 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, Mike Galbraith <efault@....de>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [tree] Performance Counters for Linux, v7

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@...v5 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@...v5 20090321]$ 
[jaswinder@...v5 20090321]$ cc -O2 -g -lrt -Wall -W -o perfstat perfstat.c -I/home/jaswinder/jaswinder-git/linux-2.6-tip
[jaswinder@...v5 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@...v5 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@...v5 20090321]$

Thanks,

--
JSR

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