option parsing for dynamic sorting LKML-Reference: Signed-off-by: Peter Zijlstra --- Documentation/perf_counter/builtin-report.c | 43 ++++++++++++++++++++++++++-- 1 file changed, 41 insertions(+), 2 deletions(-) Index: linux-2.6/Documentation/perf_counter/builtin-report.c =================================================================== --- linux-2.6.orig/Documentation/perf_counter/builtin-report.c +++ linux-2.6/Documentation/perf_counter/builtin-report.c @@ -20,6 +20,7 @@ static char const *input_name = "perf.data"; static char *vmlinux = NULL; +static char *sort_order = "pid,symbol"; static int input; static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; @@ -770,12 +771,49 @@ static struct sort_entry sort_sym = { .print = sort__sym_print, }; +struct sort_dimension { + char *name; + struct sort_entry *entry; + int taken; +}; + +static struct sort_dimension sort_dimensions[] = { + { .name = "pid", .entry = &sort_thread, }, + { .name = "symbol", .entry = &sort_sym, }, +}; + static LIST_HEAD(hist_entry__sort_list); +static int sort_dimension__add(char *tok) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { + struct sort_dimension *sd = &sort_dimensions[i]; + + if (sd->taken) + continue; + + if (strcmp(tok, sd->name)) + continue; + + list_add_tail(&sd->entry->list, &hist_entry__sort_list); + sd->taken = 1; + return 0; + } + + return -ESRCH; +} + static void setup_sorting(void) { - list_add_tail(&sort_thread.list, &hist_entry__sort_list); - list_add_tail(&sort_sym.list, &hist_entry__sort_list); + char *tmp, *tok, *str = strdup(sort_order); + + for (tok = strtok_r(str, ", ", &tmp); + tok; tok = strtok_r(NULL, ", ", &tmp)) + sort_dimension__add(tok); + + free(str); } static int64_t @@ -1137,6 +1175,7 @@ static const struct option options[] = { OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"), + OPT_STRING('s', "sort", &sort_order, "foo", "bar"), OPT_END() }; -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/