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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-06-02 15:08:15 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-02 21:45:29 +0200
commit8e5799b1ad2a0567fdfaaf0e91b40efee010f2c1 (patch)
treebd3f45c348f48411a4496229572643211cbd59b8 /kernel/futex_compat.c
parent53e111a730ea8b002d57dd226098c12789993329 (diff)
perf_counter: Add unique counter id
Stephan raised the issue that we currently cannot distinguish between similar counters within a group (PERF_RECORD_GROUP uses the config value as identifier). Therefore, generate a new ID for each counter using a global u64 sequence counter. Reported-by: Stephane Eranian <eranian@googlemail.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Kacur <jkacur@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/futex_compat.c')
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