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97aa105273
kernel-ark/tools/perf
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Frederic Weisbecker 97aa105273 perf: Resurrect flat callchains 
Initialize the callchain radix tree root correctly.

When we walk through the parents, we must stop after the root, but
since it wasn't well initialized, its parent pointer was random.

Also the number of hits was random because uninitialized, hence it
was part of the callchain while the root doesn't contain anything.

This fixes segfaults and percentages followed by empty callchains
while running:

	perf report -g flat

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: 2.6.31.x-2.6.34.x <stable@kernel.org>
2010-07-08 06:20:15 +02:00
..
arch perf probe: Add PowerPC DWARF register number mappings 2010-04-22 13:48:31 +10:00
bench perf options: Check v type in OPT_U?INTEGER 2010-05-17 15:43:38 -03:00
Documentation perf stat: add perf stat -B to pretty print large numbers 2010-05-18 23:03:22 -03:00
scripts perf scripts python: Give field dict to unhandled callback 2010-06-01 06:12:35 -03:00
util perf: Resurrect flat callchains 2010-07-08 06:20:15 +02:00
.gitignore perf: Ignore perf-archive temp file 2010-01-29 10:37:33 +01:00
builtin-annotate.c perf tui: Reset use_browser if stdout is not a tty 2010-05-26 13:22:26 -03:00
builtin-bench.c perf options: Type check all the remaining OPT_ variants 2010-05-17 16:22:41 -03:00
builtin-buildid-cache.c perf: Fix endianness argument compatibility with OPT_BOOLEAN() and introduce OPT_INCR() 2010-04-14 11:26:44 +02:00
builtin-buildid-list.c perf buildid-list: Fix --with-hits event processing 2010-06-01 16:16:11 -03:00
builtin-diff.c perf report: Report number of events, not samples 2010-05-14 14:19:35 -03:00
builtin-help.c perf options: Type check all the remaining OPT_ variants 2010-05-17 16:22:41 -03:00
builtin-inject.c perf inject: Add missing bits 2010-05-04 10:48:22 -03:00
builtin-kmem.c perf: add perf-inject builtin 2010-05-02 13:36:56 -03:00
builtin-kvm.c perf options: Type check all the remaining OPT_ variants 2010-05-17 16:22:41 -03:00
builtin-list.c perf list: Fix large list output by using the pager 2009-08-13 09:05:48 +02:00
builtin-lock.c perf options: Type check OPT_BOOLEAN and fix the offenders 2010-05-17 16:22:37 -03:00
builtin-probe.c perf probe: Don't call die() 2010-05-18 23:05:18 -03:00
builtin-record.c perf record: prevent kill(0, SIGTERM); 2010-06-17 14:24:43 -03:00
builtin-report.c perf report: Support multiple events on the TUI 2010-05-23 22:36:51 -03:00
builtin-sched.c perf: Use event__process_task from perf sched 2010-06-01 00:10:32 +02:00
builtin-stat.c perf stat: add perf stat -B to pretty print large numbers 2010-05-18 23:03:22 -03:00
builtin-test.c perf options: Type check OPT_BOOLEAN and fix the offenders 2010-05-17 16:22:37 -03:00
builtin-timechart.c perf: add perf-inject builtin 2010-05-02 13:36:56 -03:00
builtin-top.c perf symbols: Add the build id cache to the vmlinux path 2010-05-26 13:26:02 -03:00
builtin-trace.c perf hist: Clarify events_stats fields usage 2010-05-14 13:16:55 -03:00
builtin.h perf: add perf-inject builtin 2010-05-02 13:36:56 -03:00
command-list.txt perf inject: Add missing bits 2010-05-04 10:48:22 -03:00
CREDITS perf_counter tools: Add CREDITS file for Git contributors 2009-06-24 19:54:29 +02:00
design.txt perf: Fix few typos + cosmetics 2010-01-13 17:39:44 +01:00
Makefile perf tools: Add mode to build without newt support 2010-05-17 18:18:11 -03:00
perf-archive.sh perf archive: Explain how to use the generated tarball 2010-03-23 20:33:08 +01:00
perf.c perf tui: Allow disabling the TUI on a per command basis in ~/.perfconfig 2010-05-20 22:01:10 -03:00
perf.h perf options: Type check OPT_BOOLEAN and fix the offenders 2010-05-17 16:22:37 -03:00