diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/lib/api/fs/fs.c | 43 | ||||
| -rw-r--r-- | tools/perf/Makefile.perf | 13 | ||||
| -rw-r--r-- | tools/perf/builtin-record.c | 6 | ||||
| -rw-r--r-- | tools/perf/config/Makefile | 3 | ||||
| -rw-r--r-- | tools/perf/perf.c | 8 | ||||
| -rw-r--r-- | tools/perf/ui/browser.c | 2 | ||||
| -rw-r--r-- | tools/perf/ui/browsers/hists.c | 8 | ||||
| -rw-r--r-- | tools/perf/util/hist.h | 8 | ||||
| -rw-r--r-- | tools/perf/util/sort.c | 103 | ||||
| -rw-r--r-- | tools/perf/util/sort.h | 2 |
10 files changed, 132 insertions, 64 deletions
diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c index 5b5eb788996..c1b49c36a95 100644 --- a/tools/lib/api/fs/fs.c +++ b/tools/lib/api/fs/fs.c @@ -1,8 +1,10 @@ /* TODO merge/factor in debugfs.c here */ +#include <ctype.h> #include <errno.h> #include <stdbool.h> #include <stdio.h> +#include <stdlib.h> #include <string.h> #include <sys/vfs.h> @@ -96,12 +98,51 @@ static bool fs__check_mounts(struct fs *fs) return false; } +static void mem_toupper(char *f, size_t len) +{ + while (len) { + *f = toupper(*f); + f++; + len--; + } +} + +/* + * Check for "NAME_PATH" environment variable to override fs location (for + * testing). This matches the recommendation in Documentation/sysfs-rules.txt + * for SYSFS_PATH. + */ +static bool fs__env_override(struct fs *fs) +{ + char *override_path; + size_t name_len = strlen(fs->name); + /* name + "_PATH" + '\0' */ + char upper_name[name_len + 5 + 1]; + memcpy(upper_name, fs->name, name_len); + mem_toupper(upper_name, name_len); + strcpy(&upper_name[name_len], "_PATH"); + + override_path = getenv(upper_name); + if (!override_path) + return false; + + fs->found = true; + strncpy(fs->path, override_path, sizeof(fs->path)); + return true; +} + static const char *fs__get_mountpoint(struct fs *fs) { + if (fs__env_override(fs)) + return fs->path; + if (fs__check_mounts(fs)) return fs->path; - return fs__read_mounts(fs) ? fs->path : NULL; + if (fs__read_mounts(fs)) + return fs->path; + + return NULL; } static const char *fs__mountpoint(int idx) diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 67f7c0575b2..ae20edfcc3f 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -789,8 +789,8 @@ help: @echo '' @echo 'Perf install targets:' @echo ' NOTE: documentation build requires asciidoc, xmlto packages to be installed' - @echo ' HINT: use "make prefix=<path> <install target>" to install to a particular' - @echo ' path like make prefix=/usr/local install install-doc' + @echo ' HINT: use "prefix" or "DESTDIR" to install to a particular' + @echo ' path like "make prefix=/usr/local install install-doc"' @echo ' install - install compiled binaries' @echo ' install-doc - install *all* documentation' @echo ' install-man - install manpage documentation' @@ -815,17 +815,20 @@ INSTALL_DOC_TARGETS += quick-install-doc quick-install-man quick-install-html $(DOC_TARGETS): $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) $(@:doc=all) +TAG_FOLDERS= . ../lib/traceevent ../lib/api ../lib/symbol +TAG_FILES= ../../include/uapi/linux/perf_event.h + TAGS: $(RM) TAGS - $(FIND) . -name '*.[hcS]' -print | xargs etags -a + $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs etags -a $(TAG_FILES) tags: $(RM) tags - $(FIND) . -name '*.[hcS]' -print | xargs ctags -a + $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs ctags -a $(TAG_FILES) cscope: $(RM) cscope* - $(FIND) . -name '*.[hcS]' -print | xargs cscope -b + $(FIND) $(TAG_FOLDERS) -name '*.[hcS]' -print | xargs cscope -b $(TAG_FILES) ### Detect prefix changes TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):\ diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index e4c85b8f46c..ce2cfec5c76 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -454,7 +454,11 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) if (done) break; err = poll(rec->evlist->pollfd, rec->evlist->nr_fds, -1); - if (err < 0 && errno == EINTR) + /* + * Propagate error, only if there's any. Ignore positive + * number of returned events and interrupt error. + */ + if (err > 0 || (err < 0 && errno == EINTR)) err = 0; waking++; } diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 729bbdf5cec..4f100b54ba8 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -447,6 +447,7 @@ else ifneq ($(feature-libperl), 1) CFLAGS += -DNO_LIBPERL NO_LIBPERL := 1 + msg := $(warning Missing perl devel files. Disabling perl scripting support, consider installing perl-ExtUtils-Embed); else LDFLAGS += $(PERL_EMBED_LDFLAGS) EXTLIBS += $(PERL_EMBED_LIBADD) @@ -599,7 +600,7 @@ endif # Make the path relative to DESTDIR, not to prefix ifndef DESTDIR -prefix = $(HOME) +prefix ?= $(HOME) endif bindir_relative = bin bindir = $(prefix)/$(bindir_relative) diff --git a/tools/perf/perf.c b/tools/perf/perf.c index 431798a4110..78f7b920e54 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -481,14 +481,18 @@ int main(int argc, const char **argv) fprintf(stderr, "cannot handle %s internally", cmd); goto out; } -#ifdef HAVE_LIBAUDIT_SUPPORT if (!prefixcmp(cmd, "trace")) { +#ifdef HAVE_LIBAUDIT_SUPPORT set_buildid_dir(); setup_path(); argv[0] = "trace"; return cmd_trace(argc, argv, NULL); - } +#else + fprintf(stderr, + "trace command not available: missing audit-libs devel package at build time.\n"); + goto out; #endif + } /* Look for flags.. */ argv++; argc--; diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index d11541d4d7d..3ccf6e14f89 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -194,7 +194,7 @@ int ui_browser__warning(struct ui_browser *browser, int timeout, ui_helpline__vpush(format, args); va_end(args); } else { - while ((key == ui__question_window("Warning!", text, + while ((key = ui__question_window("Warning!", text, "Press any key...", timeout)) == K_RESIZE) ui_browser__handle_resize(browser); diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 5905acde5f1..52c03fbbba1 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -1706,14 +1706,14 @@ zoom_dso: zoom_out_dso: ui_helpline__pop(); browser->hists->dso_filter = NULL; - sort_dso.elide = false; + perf_hpp__set_elide(HISTC_DSO, false); } else { if (dso == NULL) continue; ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"", dso->kernel ? "the Kernel" : dso->short_name); browser->hists->dso_filter = dso; - sort_dso.elide = true; + perf_hpp__set_elide(HISTC_DSO, true); pstack__push(fstack, &browser->hists->dso_filter); } hists__filter_by_dso(hists); @@ -1725,13 +1725,13 @@ zoom_thread: zoom_out_thread: ui_helpline__pop(); browser->hists->thread_filter = NULL; - sort_thread.elide = false; + perf_hpp__set_elide(HISTC_THREAD, false); } else { ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"", thread->comm_set ? thread__comm_str(thread) : "", thread->tid); browser->hists->thread_filter = thread; - sort_thread.elide = true; + perf_hpp__set_elide(HISTC_THREAD, false); pstack__push(fstack, &browser->hists->thread_filter); } hists__filter_by_thread(hists); diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 82b28ff9806..d2bf03575d5 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -205,6 +205,7 @@ struct perf_hpp_fmt { struct list_head list; struct list_head sort_list; + bool elide; }; extern struct list_head perf_hpp__list; @@ -252,7 +253,12 @@ void perf_hpp__append_sort_keys(void); bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format); bool perf_hpp__same_sort_entry(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b); -bool perf_hpp__should_skip(struct perf_hpp_fmt *format); + +static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format) +{ + return format->elide; +} + void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists); typedef u64 (*hpp_field_fn)(struct hist_entry *he); diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 254f583a52a..45512baaab6 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -1157,6 +1157,7 @@ __sort_dimension__alloc_hpp(struct sort_dimension *sd) INIT_LIST_HEAD(&hse->hpp.list); INIT_LIST_HEAD(&hse->hpp.sort_list); + hse->hpp.elide = false; return hse; } @@ -1364,27 +1365,64 @@ static int __setup_sorting(void) return ret; } -bool perf_hpp__should_skip(struct perf_hpp_fmt *format) +void perf_hpp__set_elide(int idx, bool elide) { - if (perf_hpp__is_sort_entry(format)) { - struct hpp_sort_entry *hse; + struct perf_hpp_fmt *fmt; + struct hpp_sort_entry *hse; - hse = container_of(format, struct hpp_sort_entry, hpp); - return hse->se->elide; + perf_hpp__for_each_format(fmt) { + if (!perf_hpp__is_sort_entry(fmt)) + continue; + + hse = container_of(fmt, struct hpp_sort_entry, hpp); + if (hse->se->se_width_idx == idx) { + fmt->elide = elide; + break; + } } - return false; } -static void sort_entry__setup_elide(struct sort_entry *se, - struct strlist *list, - const char *list_name, FILE *fp) +static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp) { if (list && strlist__nr_entries(list) == 1) { if (fp != NULL) fprintf(fp, "# %s: %s\n", list_name, strlist__entry(list, 0)->s); - se->elide = true; + return true; + } + return false; +} + +static bool get_elide(int idx, FILE *output) +{ + switch (idx) { + case HISTC_SYMBOL: + return __get_elide(symbol_conf.sym_list, "symbol", output); + case HISTC_DSO: + return __get_elide(symbol_conf.dso_list, "dso", output); + case HISTC_COMM: + return __get_elide(symbol_conf.comm_list, "comm", output); + default: + break; } + + if (sort__mode != SORT_MODE__BRANCH) + return false; + + switch (idx) { + case HISTC_SYMBOL_FROM: + return __get_elide(symbol_conf.sym_from_list, "sym_from", output); + case HISTC_SYMBOL_TO: + return __get_elide(symbol_conf.sym_to_list, "sym_to", output); + case HISTC_DSO_FROM: + return __get_elide(symbol_conf.dso_from_list, "dso_from", output); + case HISTC_DSO_TO: + return __get_elide(symbol_conf.dso_to_list, "dso_to", output); + default: + break; + } + + return false; } void sort__setup_elide(FILE *output) @@ -1392,39 +1430,12 @@ void sort__setup_elide(FILE *output) struct perf_hpp_fmt *fmt; struct hpp_sort_entry *hse; - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "dso", output); - sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, - "comm", output); - sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, - "symbol", output); - - if (sort__mode == SORT_MODE__BRANCH) { - sort_entry__setup_elide(&sort_dso_from, - symbol_conf.dso_from_list, - "dso_from", output); - sort_entry__setup_elide(&sort_dso_to, - symbol_conf.dso_to_list, - "dso_to", output); - sort_entry__setup_elide(&sort_sym_from, - symbol_conf.sym_from_list, - "sym_from", output); - sort_entry__setup_elide(&sort_sym_to, - symbol_conf.sym_to_list, - "sym_to", output); - } else if (sort__mode == SORT_MODE__MEMORY) { - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "symbol_daddr", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "dso_daddr", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "mem", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "local_weight", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "tlb", output); - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, - "snoop", output); + perf_hpp__for_each_format(fmt) { + if (!perf_hpp__is_sort_entry(fmt)) + continue; + + hse = container_of(fmt, struct hpp_sort_entry, hpp); + fmt->elide = get_elide(hse->se->se_width_idx, output); } /* @@ -1435,8 +1446,7 @@ void sort__setup_elide(FILE *output) if (!perf_hpp__is_sort_entry(fmt)) continue; - hse = container_of(fmt, struct hpp_sort_entry, hpp); - if (!hse->se->elide) + if (!fmt->elide) return; } @@ -1444,8 +1454,7 @@ void sort__setup_elide(FILE *output) if (!perf_hpp__is_sort_entry(fmt)) continue; - hse = container_of(fmt, struct hpp_sort_entry, hpp); - hse->se->elide = false; + fmt->elide = false; } } diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 426b873e16f..5bf0098d6b0 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -202,7 +202,6 @@ struct sort_entry { int (*se_snprintf)(struct hist_entry *he, char *bf, size_t size, unsigned int width); u8 se_width_idx; - bool elide; }; extern struct sort_entry sort_thread; @@ -213,6 +212,7 @@ int setup_output_field(void); void reset_output_field(void); extern int sort_dimension__add(const char *); void sort__setup_elide(FILE *fp); +void perf_hpp__set_elide(int idx, bool elide); int report_parse_ignore_callees_opt(const struct option *opt, const char *arg, int unset); |