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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2011-08-11 20:02:35 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-08-12 09:22:46 -0300
commita128405c6b40371c59c34b00cc66ed06285b9551 (patch)
tree4ce07ab8dd02161b5acd678498652916ef07b309 /tools/perf/util/dwarf-aux.h
parent8afa2a707d3d1320df5d35966729ac5262da737d (diff)
perf probe: Fix line walker to check CU correctly
Fix line walker to check whether a given DIE is CU or not. Actually this function accepts CU, subprogram and inlined_subroutine DIEs. Without this fix, perf probe always fails to analyze lines on inlined functions; $ perf probe -L pre_schedule Debuginfo analysis failed. (-2) Error: Failed to show lines. (-2) This fixes that bug, as below. $ perf probe -L pre_schedule <pre_schedule@/home/mhiramat/ksrc/linux-2.6/kernel/sched.c:0> 0 static inline void pre_schedule(struct rq *rq, struct task_struct *prev { 2 if (prev->sched_class->pre_schedule) 3 prev->sched_class->pre_schedule(rq, prev); } /* rq->lock is NOT held, but preemption is disabled */ Changes from v1: - Update against current tip tree.(Fix dwarf-aux.c) Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Masami Hiramatsu <masami.hiramatsu@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: yrl.pp-manager.tt@hitachi.com Link: http://lkml.kernel.org/r/20110811110235.19900.20614.stgit@fedora15 Signed-off-by: Masami Hiramatsu <masami.hiramatsu@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/dwarf-aux.h')
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