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