diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-config.txt | 4 | ||||
| -rw-r--r-- | tools/perf/builtin-trace.c | 12 |
2 files changed, 13 insertions, 3 deletions
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 35108fd61fa6..0098eab8e5b1 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -529,6 +529,10 @@ trace.*:: activate the 'perf trace' logic that looks for syscall pointer contents after the normal tracepoint payload. + trace.args_alignment:: + Number of columns to align the argument list, default is 70, + use 40 for the strace default, zero to no alignment. + trace.no_inherit:: Do not follow children threads. diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 95dfcb851604..2d8fd48a4727 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -127,6 +127,7 @@ struct trace { bool show_tool_stats; bool trace_syscalls; bool kernel_syscallchains; + s16 args_alignment; bool show_tstamp; bool show_duration; bool show_zeros; @@ -1731,7 +1732,7 @@ static int trace__printf_interrupted_entry(struct trace *trace) return 0; printed = trace__fprintf_entry_head(trace, trace->current, 0, false, ttrace->entry_time, trace->output); - printed += fprintf(trace->output, "%-70s) ...\n", ttrace->entry_str); + printed += fprintf(trace->output, "%-*s) ...\n", trace->args_alignment, ttrace->entry_str); ttrace->entry_pending = false; ++trace->nr_events_printed; @@ -1838,7 +1839,7 @@ static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel, if (sc->is_exit) { if (!(trace->duration_filter || trace->summary_only || trace->failure_only || trace->min_stack)) { trace__fprintf_entry_head(trace, thread, 0, false, ttrace->entry_time, trace->output); - fprintf(trace->output, "%-70s)\n", ttrace->entry_str); + fprintf(trace->output, "%-*s)\n", trace->args_alignment, ttrace->entry_str); } } else { ttrace->entry_pending = true; @@ -1981,7 +1982,7 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, trace__fprintf_entry_head(trace, thread, duration, duration_calculated, ttrace->entry_time, trace->output); if (ttrace->entry_pending) { - fprintf(trace->output, "%-70s", ttrace->entry_str); + fprintf(trace->output, "%-*s", trace->args_alignment, ttrace->entry_str); } else { fprintf(trace->output, " ... ["); color_fprintf(trace->output, PERF_COLOR_YELLOW, "continued"); @@ -3563,6 +3564,10 @@ static int trace__config(const char *var, const char *value, void *arg) trace->show_zeros = new_show_zeros; } else if (!strcmp(var, "trace.no_inherit")) { trace->opts.no_inherit = perf_config_bool(var, value); + } else if (!strcmp(var, "trace.args_alignment")) { + int args_alignment = 0; + if (perf_config_int(&args_alignment, var, value) == 0) + trace->args_alignment = args_alignment; } out: return err; @@ -3596,6 +3601,7 @@ int cmd_trace(int argc, const char **argv) .show_tstamp = true, .show_duration = true, .show_arg_names = true, + .args_alignment = 70, .trace_syscalls = false, .kernel_syscallchains = false, .max_stack = UINT_MAX, |