diff options
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 2 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 2 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 2 | ||||
| -rw-r--r-- | tools/perf/builtin-script.c | 2 | ||||
| -rw-r--r-- | tools/perf/builtin-trace.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/db-export.c | 3 | ||||
| -rw-r--r-- | tools/perf/util/scripting-engines/trace-event-perl.c | 3 |
8 files changed, 8 insertions, 11 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index ebaf849e30ef..496d42cdf02b 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -248,7 +248,7 @@ OPTIONS Note that when using the --itrace option the synthesized callchain size will override this value if the synthesized callchain size is bigger. - Default: /proc/sys/kernel/perf_event_max_stack when present, 127 otherwise. + Default: 127 -G:: --inverted:: diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index a856a1095893..4fc44c75263f 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -267,7 +267,7 @@ include::itrace.txt[] Note that when using the --itrace option the synthesized callchain size will override this value if the synthesized callchain size is bigger. - Default: /proc/sys/kernel/perf_event_max_stack when present, 127 otherwise. + Default: 127 --ns:: Use 9 decimal places when displaying time (i.e. show the nanoseconds) diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index 6afe20121bc0..1ab0782369b1 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -143,7 +143,8 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs. Implies '--call-graph dwarf' when --call-graph not present on the command line, on systems where DWARF unwinding was built in. - Default: /proc/sys/kernel/perf_event_max_stack when present, 127 otherwise. + Default: /proc/sys/kernel/perf_event_max_stack when present for + live sessions (without --input/-i), 127 otherwise. --min-stack:: Set the stack depth limit when parsing the callchain, anything diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 87d40e3c4078..9bc71c6a54f6 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -691,7 +691,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) .ordered_events = true, .ordering_requires_timestamps = true, }, - .max_stack = sysctl_perf_event_max_stack, + .max_stack = PERF_MAX_STACK_DEPTH, .pretty_printing_style = "normal", .socket_filter = -1, }; diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index efca81679bb3..0a83f4bacc7c 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -2067,8 +2067,6 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) NULL }; - scripting_max_stack = sysctl_perf_event_max_stack; - setup_scripting(); argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index a2f3aa09c7f4..7401de71d097 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2905,7 +2905,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) mmap_pages_user_set = false; if (trace.max_stack == UINT_MAX) { - trace.max_stack = sysctl_perf_event_max_stack; + trace.max_stack = input_name ? PERF_MAX_STACK_DEPTH : sysctl_perf_event_max_stack; max_stack_user_set = false; } diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c index 8d96c80cc67e..c9a6dc173e74 100644 --- a/tools/perf/util/db-export.c +++ b/tools/perf/util/db-export.c @@ -298,8 +298,7 @@ static struct call_path *call_path_from_sample(struct db_export *dbe, */ callchain_param.order = ORDER_CALLER; err = thread__resolve_callchain(thread, &callchain_cursor, evsel, - sample, NULL, NULL, - sysctl_perf_event_max_stack); + sample, NULL, NULL, PERF_MAX_STACK_DEPTH); if (err) { callchain_param.order = saved_order; return NULL; diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c index 62c7f6988e0e..5d1eb1ccd96c 100644 --- a/tools/perf/util/scripting-engines/trace-event-perl.c +++ b/tools/perf/util/scripting-engines/trace-event-perl.c @@ -264,8 +264,7 @@ static SV *perl_process_callchain(struct perf_sample *sample, goto exit; if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel, - sample, NULL, NULL, - sysctl_perf_event_max_stack) != 0) { + sample, NULL, NULL, scripting_max_stack) != 0) { pr_err("Failed to resolve callchain. Skipping\n"); goto exit; } |