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linux/tools/perf
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Zhouyi Zhou 8e50d384cc perf tools: Fixup mmap event consumption 
The tail position of the event buffer should only be modified after
actually use that event.

If not the event buffer could be invalid before use, and segment fault
occurs when invoking perf top -G.

Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn>
Cc: David Ahern <dsahern@gmail.com>
Cc: Zhouyi Zhou <yizhouzhou@ict.ac.cn>
Link: http://lkml.kernel.org/r/1382600613-32177-1-git-send-email-zhouzhouyi@gmail.com
[ Simplified the logic using exit gotos and renamed write_tail method to mmap_consume ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-10-28 16:06:00 -03:00
..
arch perf: Fix capabilities bitfield compatibility in 'struct perf_event_mmap_page' 2013-09-20 09:45:11 +02:00
bench perf bench: Fix memcpy benchmark for large sizes 2013-07-22 12:41:56 -03:00
config perf tools: Fix libaudit test 2013-10-04 15:16:05 -03:00
Documentation perf top: Split -G and --call-graph 2013-10-28 16:06:00 -03:00
python perf python: Remove duplicate TID bit from mask 2013-08-07 17:35:25 -03:00
scripts perf script: Fix broken include in Context.xs 2013-07-10 13:47:00 -03:00
tests perf tools: Fixup mmap event consumption 2013-10-28 16:06:00 -03:00
ui perf hists: Add color overhead for stdio output buffer 2013-10-28 16:05:59 -03:00
util perf tools: Fixup mmap event consumption 2013-10-28 16:06:00 -03:00
.gitignore perf tools: Ignore compiled python binaries 2012-09-07 12:10:58 -03:00
bash_completion perf tools: Complete tracepoint event names 2012-10-04 12:44:52 -03:00
builtin-annotate.c perf tools: Add attr->mmap2 support 2013-09-11 10:09:32 -03:00
builtin-bench.c perf tools: Make numa benchmark optional 2013-01-30 10:36:21 -03:00
builtin-buildid-cache.c perf buildid-cache: Add --update option 2013-02-14 14:59:27 -03:00
builtin-buildid-list.c perf symbols: Generalize filter in __fprintf_buildid methods 2012-12-09 08:46:07 -03:00
builtin-diff.c perf tools: Remove filter parameter of perf_event__preprocess_sample() 2013-08-12 10:31:11 -03:00
builtin-evlist.c perf evlist: Pass the event_group info via perf_attr_details 2013-02-06 18:09:28 -03:00
builtin-help.c perf help: Fix --help for builtins 2012-10-22 12:35:49 -02:00
builtin-inject.c perf session: Check for SIGINT in more loops 2013-09-19 11:32:17 -03:00
builtin-kmem.c perf kmem: Make it work again on non NUMA machines 2013-09-24 14:13:46 -03:00
builtin-kvm.c perf tools: Fixup mmap event consumption 2013-10-28 16:06:00 -03:00
builtin-list.c perf list: List kernel supplied event aliases 2013-07-12 13:53:53 -03:00
builtin-lock.c perf tools: change machine__findnew_thread() to set thread pid 2013-08-29 11:51:31 -03:00
builtin-mem.c perf tools: Add attr->mmap2 support 2013-09-11 10:09:32 -03:00
builtin-probe.c perf tools: Introduce tools/lib/lk library 2013-03-15 13:06:00 -03:00
builtin-record.c perf record: Split -g and --call-graph 2013-10-28 16:05:59 -03:00
builtin-report.c perf session: Check for SIGINT in more loops 2013-09-19 11:32:17 -03:00
builtin-sched.c perf tools: change machine__findnew_thread() to set thread pid 2013-08-29 11:51:31 -03:00
builtin-script.c perf session: Check for SIGINT in more loops 2013-09-19 11:32:17 -03:00
builtin-stat.c perf stat: Set child_pid after perf_evlist__prepare_workload() 2013-10-04 15:16:05 -03:00
builtin-timechart.c perf timechart: Remove event types framework only user 2013-07-15 16:14:47 -03:00
builtin-top.c perf tools: Fixup mmap event consumption 2013-10-28 16:06:00 -03:00
builtin-trace.c perf tools: Fixup mmap event consumption 2013-10-28 16:06:00 -03:00
builtin.h perf tools: Add new mem command for memory access profiling 2013-04-01 12:21:44 -03:00
command-list.txt perf tools: Add new mem command for memory access profiling 2013-04-01 12:21:44 -03:00
CREDITS perf_counter tools: Add CREDITS file for Git contributors 2009-06-24 19:54:29 +02:00
design.txt perf tools: Update ioctl documentation for PERF_IOC_FLAG_GROUP 2012-05-31 11:38:42 -03:00
Makefile perf tools: Fix installation of libexec components 2013-10-04 15:16:05 -03:00
MANIFEST perf tools: Introduce tools/lib/lk library 2013-03-15 13:06:00 -03:00
perf-archive.sh perf archive: Make 'f' the last parameter for tar 2012-09-17 13:10:42 -03:00
perf.c perf tools: Convert needless static variable to local 2013-04-01 12:22:48 -03:00
perf.h perf kvm: Option to print events that exceed a duration 2013-08-12 10:31:04 -03:00