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To restrict a counter to either host or guest mode this patch introduces
two new event modifiers: G and H.
With G the counter is configured in guest-only mode and with H in
host-only mode.
Cc: Gleb Natapov <gleb@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Link: http://lkml.kernel.org/n/tip-or5aj3rghy9ngyg882z6kln9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The man page has the details, here are some examples:
[root@emilia ~]# perf list *fault* *:*wait*
List of pre-defined events (to be used in -e):
page-faults OR faults [Software event]
minor-faults [Software event]
major-faults [Software event]
alignment-faults [Software event]
emulation-faults [Software event]
radeon:radeon_fence_wait_begin [Tracepoint event]
radeon:radeon_fence_wait_end [Tracepoint event]
writeback:wbc_writeback_wait [Tracepoint event]
writeback:wbc_balance_dirty_wait [Tracepoint event]
writeback:writeback_congestion_wait [Tracepoint event]
writeback:writeback_wait_iff_congested [Tracepoint event]
sched:sched_wait_task [Tracepoint event]
sched:sched_process_wait [Tracepoint event]
sched:sched_stat_wait [Tracepoint event]
sched:sched_stat_iowait [Tracepoint event]
syscalls:sys_enter_epoll_wait [Tracepoint event]
syscalls:sys_exit_epoll_wait [Tracepoint event]
syscalls:sys_enter_epoll_pwait [Tracepoint event]
syscalls:sys_exit_epoll_pwait [Tracepoint event]
syscalls:sys_enter_rt_sigtimedwait [Tracepoint event]
syscalls:sys_exit_rt_sigtimedwait [Tracepoint event]
syscalls:sys_enter_waitid [Tracepoint event]
syscalls:sys_exit_waitid [Tracepoint event]
syscalls:sys_enter_wait4 [Tracepoint event]
syscalls:sys_exit_wait4 [Tracepoint event]
syscalls:sys_enter_waitpid [Tracepoint event]
syscalls:sys_exit_waitpid [Tracepoint event]
[root@emilia ~]#
Suggested-by: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Existing documentation doesn't discuss event modifiers, so add a description of
what's currently possible to the documentation of perf-list.
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Robert Richter <robert.richter@amd.com>
LKML-Reference: <1287107460-12112-1-git-send-email-sonnyrao@linux.vnet.ibm.com>
Signed-off-by: Sonny Rao <sonnyrao@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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It was x86 specific and imcomplete at that, improve the situation by
making it clear where the example provided applies and by adding the
URLs for the Intel and AMD manuals where this is discussed in depth.
Acked-by: Robert Richter <robert.richter@amd.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
Cc: Robert Richter <robert.richter@amd.com>
Reported-by: Robert Richter <robert.richter@amd.com
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Using explanation given by Ingo Molnar in the oprofile mailing list.
Suggested-by: Nick Black <dank@qemfd.net>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Nick Black <dank@qemfd.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Several people have suggested that 'perf' has become a full-fledged
tool that should be moved out of Documentation/. Move it to the
(new) tools/ directory.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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