perf tools: Consolidate management of default sort orders
The perf uses different default sort orders for different use-cases, and this was scattered throughout the code. Add get_default_sort_ order() function to handle this and change initial value of sort_order to NULL to distinguish it from user-given one. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1400480762-22852-10-git-send-email-namhyung@kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org>
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@ -60,7 +60,6 @@ static int data__files_cnt;
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#define data__for_each_file(i, d) data__for_each_file_start(i, d, 0)
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#define data__for_each_file_new(i, d) data__for_each_file_start(i, d, 1)
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static char diff__default_sort_order[] = "dso,symbol";
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static bool force;
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static bool show_period;
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static bool show_formula;
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@ -1142,7 +1141,6 @@ int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused)
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{
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perf_config(perf_default_config, NULL);
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sort_order = diff__default_sort_order;
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argc = parse_options(argc, argv, options, diff_usage, 0);
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if (symbol__init() < 0)
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@ -1153,6 +1151,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused)
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ui_init();
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sort__mode = SORT_MODE__DIFF;
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if (setup_sorting() < 0)
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usage_with_options(diff_usage, options);
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@ -805,30 +805,12 @@ repeat:
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if (branch_mode == -1 && has_br_stack)
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sort__mode = SORT_MODE__BRANCH;
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/* sort__mode could be NORMAL if --no-branch-stack */
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if (sort__mode == SORT_MODE__BRANCH) {
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/*
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* if no sort_order is provided, then specify
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* branch-mode specific order
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*/
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if (sort_order == default_sort_order)
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sort_order = "comm,dso_from,symbol_from,"
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"dso_to,symbol_to";
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}
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if (report.mem_mode) {
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if (sort__mode == SORT_MODE__BRANCH) {
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pr_err("branch and mem mode incompatible\n");
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goto error;
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}
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sort__mode = SORT_MODE__MEMORY;
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/*
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* if no sort_order is provided, then specify
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* branch-mode specific order
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*/
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if (sort_order == default_sort_order)
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sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
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}
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if (setup_sorting() < 0) {
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@ -1137,8 +1137,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
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if (argc)
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usage_with_options(top_usage, options);
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if (sort_order == default_sort_order)
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sort_order = "dso,symbol";
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sort__mode = SORT_MODE__TOP;
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if (setup_sorting() < 0) {
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parse_options_usage(top_usage, options, "s", 1);
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@ -8,7 +8,11 @@ regex_t parent_regex;
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const char default_parent_pattern[] = "^sys_|^do_page_fault";
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const char *parent_pattern = default_parent_pattern;
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const char default_sort_order[] = "comm,dso,symbol";
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const char *sort_order = default_sort_order;
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const char default_branch_sort_order[] = "comm,dso_from,symbol_from,dso_to,symbol_to";
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const char default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
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const char default_top_sort_order[] = "dso,symbol";
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const char default_diff_sort_order[] = "dso,symbol";
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const char *sort_order;
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regex_t ignore_callees_regex;
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int have_ignore_callees = 0;
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int sort__need_collapse = 0;
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@ -1218,11 +1222,31 @@ int sort_dimension__add(const char *tok)
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return -ESRCH;
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}
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static const char *get_default_sort_order(void)
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{
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const char *default_sort_orders[] = {
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default_sort_order,
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default_branch_sort_order,
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default_mem_sort_order,
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default_top_sort_order,
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default_diff_sort_order,
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};
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BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders));
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return default_sort_orders[sort__mode];
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}
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int setup_sorting(void)
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{
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char *tmp, *tok, *str = strdup(sort_order);
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char *tmp, *tok, *str;
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const char *sort_keys = sort_order;
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int ret = 0;
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if (sort_keys == NULL)
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sort_keys = get_default_sort_order();
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str = strdup(sort_keys);
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if (str == NULL) {
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error("Not enough memory to setup sort keys");
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return -ENOMEM;
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@ -133,6 +133,8 @@ enum sort_mode {
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SORT_MODE__NORMAL,
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SORT_MODE__BRANCH,
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SORT_MODE__MEMORY,
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SORT_MODE__TOP,
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SORT_MODE__DIFF,
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};
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enum sort_type {
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