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Adrian Hunter 810c398bc0 perf intel-pt: Fix snapshot overlap detection decoder errors 
Fix occasional decoder errors decoding trace data collected in snapshot
mode.

Snapshot mode can take successive snapshots of trace which might overlap.
The decoder checks whether there is an overlap but only looks at the
current and previous buffer. However buffers that do not contain
synchronization (i.e. PSB) packets cannot be decoded or used for overlap
checking. That means the decoder actually needs to check overlaps between
the current buffer and the previous buffer that contained usable data.
Make that change.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: stable@vger.kernel.org # v4.3+
Link: http://lkml.kernel.org/r/1474641528-18776-10-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-09-29 11:17:03 -03:00
..
arch perf tools: Add sink configuration for cs_etm PMU 2016-09-22 13:08:55 -03:00
bench perf bench futex: Use NSEC_PER_USEC 2016-08-23 15:37:33 -03:00
Documentation perf record: Add support for using symbols in address filters 2016-09-29 11:17:02 -03:00
jvmti perf jit: Remove some no-op error handling 2016-07-18 12:20:00 -03:00
python perf python: Add tracepoint example 2016-07-12 16:23:35 -03:00
scripts perf/core improvements and fixes: 2016-08-04 11:02:38 +02:00
tests perf symbols: Remove symbol_filter_t machinery 2016-09-05 11:14:50 -03:00
trace perf trace beauty mmap: Add missing MADV_FREE 2016-09-19 11:25:07 -03:00
ui perf hists: Make hists__fprintf_headers function global 2016-09-22 13:08:59 -03:00
util perf intel-pt: Fix snapshot overlap detection decoder errors 2016-09-29 11:17:03 -03:00
.gitignore perf tools: Add arch/*/include/generated/ to .gitignore 2016-05-30 12:41:46 -03:00
Build perf tools: Set and pass DOCDIR to builtin-report.c 2016-01-12 12:42:07 -03:00
builtin-annotate.c perf annotate: Add branch stack / basic block 2016-09-08 13:44:03 -03:00
builtin-bench.c perf subcmd: Create subcmd library 2015-12-17 14:27:14 -03:00
builtin-buildid-cache.c tools: Introduce str_error_r() 2016-07-12 15:19:47 -03:00
builtin-buildid-list.c perf subcmd: Create subcmd library 2015-12-17 14:27:14 -03:00
builtin-config.c perf config: Reimplement show_config() using config_set__for_each 2016-06-23 17:23:00 -03:00
builtin-data.c perf data ctf: Add '--all' option for 'perf data convert' 2016-06-28 10:54:57 -03:00
builtin-diff.c perf hists: Add support for header span 2016-08-23 15:37:33 -03:00
builtin-evlist.c perf evlist: Rename for_each() macros to for_each_entry() 2016-06-23 11:26:15 -03:00
builtin-help.c tools: Introduce str_error_r() 2016-07-12 15:19:47 -03:00
builtin-inject.c perf symbols: Remove symbol_filter_t machinery 2016-09-05 11:14:50 -03:00
builtin-kmem.c perf symbols: Remove symbol_filter_t machinery 2016-09-05 11:14:50 -03:00
builtin-kvm.c perf kvm: Use NSEC_PER_USEC 2016-08-23 15:37:33 -03:00
builtin-list.c perf list: Show SDT and pre-cached events 2016-07-13 23:09:07 -03:00
builtin-lock.c perf subcmd: Create subcmd library 2015-12-17 14:27:14 -03:00
builtin-mem.c perf tools mem: Fix -t store option for record command 2016-08-12 14:39:48 -03:00
builtin-probe.c perf probe: Ignore vmlinux Build-id when offline vmlinux given 2016-09-01 12:42:22 -03:00
builtin-record.c perf record: Add support for using symbols in address filters 2016-09-29 11:17:02 -03:00
builtin-report.c perf report: Enable group view with hierarchy 2016-09-13 16:43:41 -03:00
builtin-sched.c perf sched: Use linux/time64.h 2016-08-23 15:37:33 -03:00
builtin-script.c perf symbols: Remove symbol_filter_t machinery 2016-09-05 11:14:50 -03:00
builtin-stat.c perf tools: Add PMU configuration to tools 2016-09-22 13:07:36 -03:00
builtin-timechart.c perf timechart: Use NSEC_PER_U?SEC 2016-08-23 15:37:33 -03:00
builtin-top.c perf tools: Add PMU configuration to tools 2016-09-22 13:07:36 -03:00
builtin-trace.c perf evsel: New tracepoint specific function 2016-09-29 11:16:59 -03:00
builtin-version.c perf tools: Move cmd_version() to builtin-version.c 2015-12-09 13:42:03 -03:00
builtin.h perf tools: Remove needless 'extern' from function prototypes 2016-03-23 15:06:35 -03:00
command-list.txt perf tools: Do not show trace command if it's not compiled in 2016-01-08 12:46:17 -03:00
CREDITS
design.txt perf tools: Update some code references in design.txt 2014-03-18 18:17:06 -03:00
Makefile perf build tests: Do parallell builds with 'build-test' 2016-02-04 15:57:00 -03:00
Makefile.config perf tools: Confine __get_cpuid() to x86 architecture 2016-09-22 12:19:30 -03:00
Makefile.perf perf build: Compare mman.h related headers against kernel originals 2016-09-13 16:13:29 -03:00
MANIFEST tools include: Add uapi mman.h for each architecture 2016-09-13 15:26:08 -03:00
perf-archive.sh
perf-completion.sh perf tools: Avoid confusion with preloaded bash function for perf bash completion 2015-03-19 13:53:27 -03:00
perf-read-vdso.c perf tools: Build programs to copy 32-bit compatibility 2014-10-29 10:32:48 -02:00
perf-sys.h perf powerpc: Fix build-test failure 2016-09-08 13:44:07 -03:00
perf-with-kcore.sh perf tools: Fix perf-with-kcore handling of arguments containing spaces 2015-08-06 16:48:27 -03:00
perf.c perf tools: Just pr_debug() about not being able to read cacheline_size 2016-07-15 10:08:29 -03:00
perf.h tools: Introduce tools/include/linux/time64.h for *SEC_PER_*SEC macros 2016-08-23 15:37:33 -03:00