Adrian Hunter 36e5f70922 perf intel-pt: Fix divide by zero when TSC is not available ...

commit 076333870c upstream.

When TSC is not available, "timeless" decoding is used but a divide by
zero occurs if perf_time_to_tsc() is called.

Ensure the divisor is not zero.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org # v4.9+
Link: https://lkml.kernel.org/n/tip-1i4j0wqoc8vlbkcizqqxpsf4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2023-05-15 12:06:39 +09:00

..

arch

perf tools: Add Hygon Dhyana support

2023-05-15 11:22:24 +09:00

bench

perf bench: Fix numa report output code

2023-05-12 17:05:09 +09:00

Documentation

perf top/report: Add tips about a list option

2016-10-05 19:51:53 -03:00

jvmti

perf jit: Fix build issue on Ubuntu

2016-10-17 11:25:34 -03:00

pmu-events

perf tools: Fix build with ARCH=x86_64

2018-01-23 19:57:07 +01:00

python

perf python: Add tracepoint example

2016-07-12 16:23:35 -03:00

scripts

perf script python: Fix export-to-postgresql.py occasional failure

2023-05-15 09:01:40 +09:00

tests

perf tests evsel-tp-sched: Fix bitwise operator

2023-05-15 11:24:07 +09:00

trace

perf trace: Check if MAP_32BIT is defined (again)

2017-01-26 08:24:36 +01:00

ui

perf annotate: Fix broken arrow at row 0 connecting jmp instruction to its target

2017-07-27 15:08:06 -07:00

util

perf intel-pt: Fix divide by zero when TSC is not available

2023-05-15 12:06:39 +09:00

.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 diff: Fix -o/--order option behavior (again)

2017-02-14 15:25:42 -08:00

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: Support long jevents descriptions

2016-10-03 21:35:47 -03:00

builtin-lock.c

perf subcmd: Create subcmd library

2015-12-17 14:27:14 -03:00

builtin-mem.c

perf mem: Fix --all-user/--all-kernel options

2017-01-26 08:24:35 +01:00

builtin-probe.c

perf probe: Return errno when not hitting any event

2018-03-22 09:17:40 +01:00

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 stat: Fix core dump when flag T is used

2018-05-30 07:50:45 +02:00

builtin-timechart.c

perf timechart: Use NSEC_PER_U?SEC

2016-08-23 15:37:33 -03:00

builtin-top.c

perf top: Fix top.call-graph config option reading

2018-05-30 07:50:45 +02:00

builtin-trace.c

perf trace: Add mmap alias for s390

2018-04-13 19:48:17 +02:00

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

check-headers.sh

tools include uapi: Grab copies of stat.h and fcntl.h

2018-06-05 10:28:56 +02:00

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

…

Makefile

perf tools: Disable parallelism for 'make clean'

2023-05-15 09:14:49 +09:00

Makefile.config

perf tools: Fix build with ARCH=x86_64

2018-01-23 19:57:07 +01:00

Makefile.perf

perf tools: Move headers check into bash script

2018-06-05 10:28:56 +02:00

MANIFEST

tools include: Introduce linux/bug.h, from the kernel sources

2018-06-05 10:28:56 +02:00

perf-archive.sh

…

perf-completion.sh

…

perf-read-vdso.c

…

perf-sys.h

perf powerpc: Fix build-test failure

2016-09-08 13:44:07 -03:00

perf-with-kcore.sh

…

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

perf tools: Allow overriding MAX_NR_CPUS at compile time

2023-05-15 08:14:04 +09:00