Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751785AbdCCMIs (ORCPT ); Fri, 3 Mar 2017 07:08:48 -0500 Received: from mga14.intel.com ([192.55.52.115]:14961 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751269AbdCCMIq (ORCPT ); Fri, 3 Mar 2017 07:08:46 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.35,234,1484035200"; d="scan'208";a="1104232205" From: Jin Yao To: acme@kernel.org, jolsa@kernel.org Cc: Linux-kernel@vger.kernel.org, ak@linux.intel.com, kan.liang@intel.com, milian.wolff@kdab.com, Jin Yao Subject: [PATCH v4 5/5] perf report: Show inline stack in browser mode Date: Fri, 3 Mar 2017 18:43:05 +0800 Message-Id: <1488537785-10684-6-git-send-email-yao.jin@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1488537785-10684-1-git-send-email-yao.jin@linux.intel.com> References: <1488537785-10684-1-git-send-email-yao.jin@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 8497 Lines: 310 If the address belongs to an inlined function, the source information back to the first non-inlined function will be printed. For example: perf report --inline - 0.69% 0.00% inline ld-2.23.so [.] dl_main - dl_main 0.56% _dl_relocate_object _dl_relocate_object: (inline) elf_dynamic_do_Rela: (inline) Signed-off-by: Jin Yao Tested-by: Milian Wolff --- tools/perf/ui/browsers/hists.c | 168 +++++++++++++++++++++++++++++++++++++++-- tools/perf/util/hist.c | 5 ++ tools/perf/util/sort.h | 1 + 3 files changed, 166 insertions(+), 8 deletions(-) diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index fc4fb66..51a2a68 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -144,9 +144,60 @@ static void callchain_list__set_folding(struct callchain_list *cl, bool unfold) cl->unfolded = unfold ? cl->has_children : false; } +static struct inline_node *inline_node__create(struct map *map, u64 ip) +{ + struct dso *dso; + struct inline_node *node; + + if (map == NULL) + return NULL; + + dso = map->dso; + if (dso == NULL) + return NULL; + + if (dso->kernel != DSO_TYPE_USER) + return NULL; + + node = dso__parse_addr_inlines(dso, + map__rip_2objdump(map, ip)); + + return node; +} + +static int inline__count_rows(struct inline_node *node) +{ + struct inline_list *ilist; + int i = 0; + + if (node == NULL) + return 0; + + list_for_each_entry(ilist, &node->val, list) { + if ((ilist->filename != NULL) || (ilist->funcname != NULL)) + i++; + } + + return i; +} + +static int callchain_list__inline_rows(struct callchain_list *chain) +{ + struct inline_node *node; + int rows; + + node = inline_node__create(chain->ms.map, chain->ip); + if (node == NULL) + return 0; + + rows = inline__count_rows(node); + inline_node__delete(node); + return rows; +} + static int callchain_node__count_rows_rb_tree(struct callchain_node *node) { - int n = 0; + int n = 0, inline_rows; struct rb_node *nd; for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { @@ -156,6 +207,13 @@ static int callchain_node__count_rows_rb_tree(struct callchain_node *node) list_for_each_entry(chain, &child->val, list) { ++n; + + if (symbol_conf.inline_name) { + inline_rows = + callchain_list__inline_rows(chain); + n += inline_rows; + } + /* We need this because we may not have children */ folded_sign = callchain_list__folded(chain); if (folded_sign == '+') @@ -207,7 +265,7 @@ static int callchain_node__count_rows(struct callchain_node *node) { struct callchain_list *chain; bool unfolded = false; - int n = 0; + int n = 0, inline_rows; if (callchain_param.mode == CHAIN_FLAT) return callchain_node__count_flat_rows(node); @@ -216,6 +274,11 @@ static int callchain_node__count_rows(struct callchain_node *node) list_for_each_entry(chain, &node->val, list) { ++n; + if (symbol_conf.inline_name) { + inline_rows = callchain_list__inline_rows(chain); + n += inline_rows; + } + unfolded = chain->unfolded; } @@ -362,6 +425,19 @@ static void hist_entry__init_have_children(struct hist_entry *he) he->init_have_children = true; } +static void hist_entry_init_inline_node(struct hist_entry *he) +{ + if (he->inline_node) + return; + + he->inline_node = inline_node__create(he->ms.map, he->ip); + + if (he->inline_node == NULL) + return; + + he->has_children = true; +} + static bool hist_browser__toggle_fold(struct hist_browser *browser) { struct hist_entry *he = browser->he_selection; @@ -393,7 +469,12 @@ static bool hist_browser__toggle_fold(struct hist_browser *browser) if (he->unfolded) { if (he->leaf) - he->nr_rows = callchain__count_rows(&he->sorted_chain); + if (he->inline_node) + he->nr_rows = inline__count_rows( + he->inline_node); + else + he->nr_rows = callchain__count_rows( + &he->sorted_chain); else he->nr_rows = hierarchy_count_rows(browser, he, false); @@ -753,6 +834,58 @@ static bool hist_browser__check_dump_full(struct hist_browser *browser __maybe_u #define LEVEL_OFFSET_STEP 3 +static int hist_browser__show_inline(struct hist_browser *browser, + struct inline_node *node, + unsigned short row, + int offset) +{ + struct inline_list *ilist; + char buf[1024]; + int color, width, first_row; + + first_row = row; + width = browser->b.width - (LEVEL_OFFSET_STEP + 2); + list_for_each_entry(ilist, &node->val, list) { + if ((ilist->filename != NULL) || (ilist->funcname != NULL)) { + color = HE_COLORSET_NORMAL; + if (ui_browser__is_current_entry(&browser->b, row)) + color = HE_COLORSET_SELECTED; + + if (ilist->funcname != NULL) + scnprintf(buf, sizeof(buf), "%s: (inline)", + ilist->funcname); + else + scnprintf(buf, sizeof(buf), "%s:%d (inline)", + ilist->filename, ilist->line_nr); + + ui_browser__set_color(&browser->b, color); + hist_browser__gotorc(browser, row, 0); + ui_browser__write_nstring(&browser->b, " ", + LEVEL_OFFSET_STEP + offset); + ui_browser__write_nstring(&browser->b, buf, width); + row++; + } + } + + return row - first_row; +} + +static size_t show_inline_list(struct hist_browser *browser, struct map *map, + u64 ip, int row, int offset) +{ + struct inline_node *node; + int ret; + + node = inline_node__create(map, ip); + if (node == NULL) + return 0; + + ret = hist_browser__show_inline(browser, node, row, offset); + + inline_node__delete(node); + return ret; +} + static int hist_browser__show_callchain_list(struct hist_browser *browser, struct callchain_node *node, struct callchain_list *chain, @@ -764,6 +897,7 @@ static int hist_browser__show_callchain_list(struct hist_browser *browser, char bf[1024], *alloc_str; char buf[64], *alloc_str2; const char *str; + int inline_rows = 0, ret = 1; if (arg->row_offset != 0) { arg->row_offset--; @@ -801,10 +935,15 @@ static int hist_browser__show_callchain_list(struct hist_browser *browser, } print(browser, chain, str, offset, row, arg); - free(alloc_str); free(alloc_str2); - return 1; + + if (symbol_conf.inline_name) { + inline_rows = show_inline_list(browser, chain->ms.map, + chain->ip, row + 1, offset); + } + + return ret + inline_rows; } static bool check_percent_display(struct rb_node *node, u64 parent_total) @@ -1228,6 +1367,12 @@ static int hist_browser__show_entry(struct hist_browser *browser, folded_sign = hist_entry__folded(entry); } + if (symbol_conf.inline_name && + (!entry->has_children)) { + hist_entry_init_inline_node(entry); + folded_sign = hist_entry__folded(entry); + } + if (row_offset == 0) { struct hpp_arg arg = { .b = &browser->b, @@ -1259,7 +1404,8 @@ static int hist_browser__show_entry(struct hist_browser *browser, } if (first) { - if (symbol_conf.use_callchain) { + if (symbol_conf.use_callchain || + symbol_conf.inline_name) { ui_browser__printf(&browser->b, "%c ", folded_sign); width -= 2; } @@ -1301,8 +1447,14 @@ static int hist_browser__show_entry(struct hist_browser *browser, .is_current_entry = current_entry, }; - printed += hist_browser__show_callchain(browser, entry, 1, row, - hist_browser__show_callchain_entry, &arg, + if (entry->inline_node) + printed += hist_browser__show_inline(browser, + entry->inline_node, row, 0); + else + printed += hist_browser__show_callchain(browser, + entry, 1, row, + hist_browser__show_callchain_entry, + &arg, hist_browser__check_output_full); } diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index eaf72a9..ffa42fc 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1129,6 +1129,11 @@ void hist_entry__delete(struct hist_entry *he) zfree(&he->mem_info); } + if (he->inline_node) { + inline_node__delete(he->inline_node); + he->inline_node = NULL; + } + zfree(&he->stat_acc); free_srcline(he->srcline); if (he->srcfile && he->srcfile[0]) diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index acb2c57..18b949e 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -122,6 +122,7 @@ struct hist_entry { }; char *srcline; char *srcfile; + struct inline_node *inline_node; struct symbol *parent; struct branch_info *branch_info; struct hists *hists; -- 2.7.4