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authorArnaldo Carvalho de Melo <acme@redhat.com>2011-01-12 22:39:13 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-01-22 19:56:29 -0200
commit70db7533caef02350ec8d6852e589491bca3a951 (patch)
tree463dadbec60d585cb8c1de84b230378010d5c8b5 /net/dccp/ackvec.h
parent115d2d8963a426670ac3ce983fc4c4e001703943 (diff)
perf evlist: Move the mmap array from perf_evsel
Adopting the new model used in 'perf record', where we don't have a map per thread per cpu, instead we have an mmap per cpu, established on the first fd for that cpu and ask the kernel using the PERF_EVENT_IOC_SET_OUTPUT ioctl to send events for the other fds on that cpu for the one with the mmap. The methods moved from perf_evsel to perf_evlist, but for easing review they were modified in place, in evsel.c, the next patch will move the migrated methods to evlist.c. With this 'perf top' now uses the same mmap model used by 'perf record' and the next patches will make 'perf record' use these new routines, establishing a common codebase for both tools. 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>
Diffstat (limited to 'net/dccp/ackvec.h')
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