Commit c6eb1384 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

perf_counter tools: increase limits 



I tried to run with 300 active counters and the tools bailed out
because our limit was at 64. So increase the counter limit to 1024
and the CPU limit to 4096.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
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>
LKML-Reference: <new-submission>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 910431c7

Documentation/perf_counter/perf.h

+2 −2
Original line number Diff line number Diff line
@@ -54,8 +54,8 @@ sys_perf_counter_open(struct perf_counter_hw_event *hw_event_uptr, 
		       group_fd, flags);

}



#define MAX_COUNTERS			64

#define MAX_NR_CPUS			256

#define MAX_COUNTERS			1024

#define MAX_NR_CPUS			4096



#define EID(type, id) (((__u64)(type) << PERF_COUNTER_TYPE_SHIFT) | (id))