From: Namhyung Kim Date: Thu, 26 Dec 2013 05:37:59 +0000 (+0900) Subject: perf ui/tui: Implement header window X-Git-Tag: submit/tizen/20160422.055611~1^2~99^2~18^2~2397^2~4^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6dd601354f14b5cd7a0a4103811e52ccec22ac53;p=sdk%2Femulator%2Femulator-kernel.git perf ui/tui: Implement header window Implement a simple, full-screen header window which shows session header (metadata) information. Press 'i' key to display the header window. Signed-off-by: Namhyung Kim Cc: David Ahern Cc: Ingo Molnar Cc: Jiri Olsa Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1388036284-32342-4-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 97a2145e4cc6..3638b0bd20dc 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -489,6 +489,7 @@ ifndef NO_SLANG LIB_OBJS += $(OUTPUT)ui/browsers/hists.o LIB_OBJS += $(OUTPUT)ui/browsers/map.o LIB_OBJS += $(OUTPUT)ui/browsers/scripts.o + LIB_OBJS += $(OUTPUT)ui/browsers/header.o LIB_OBJS += $(OUTPUT)ui/tui/setup.o LIB_OBJS += $(OUTPUT)ui/tui/util.o LIB_OBJS += $(OUTPUT)ui/tui/helpline.o diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h index 7d45d2f53601..118cca29dd26 100644 --- a/tools/perf/ui/browser.h +++ b/tools/perf/ui/browser.h @@ -59,6 +59,8 @@ int ui_browser__help_window(struct ui_browser *browser, const char *text); bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text); int ui_browser__input_window(const char *title, const char *text, char *input, const char *exit_msg, int delay_sec); +struct perf_session_env; +int tui__header_window(struct perf_session_env *env); void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence); unsigned int ui_browser__argv_refresh(struct ui_browser *browser); diff --git a/tools/perf/ui/browsers/header.c b/tools/perf/ui/browsers/header.c new file mode 100644 index 000000000000..89c16b988618 --- /dev/null +++ b/tools/perf/ui/browsers/header.c @@ -0,0 +1,127 @@ +#include "util/cache.h" +#include "util/debug.h" +#include "ui/browser.h" +#include "ui/ui.h" +#include "ui/util.h" +#include "ui/libslang.h" +#include "util/header.h" +#include "util/session.h" + +static void ui_browser__argv_write(struct ui_browser *browser, + void *entry, int row) +{ + char **arg = entry; + char *str = *arg; + char empty[] = " "; + bool current_entry = ui_browser__is_current_entry(browser, row); + unsigned long offset = (unsigned long)browser->priv; + + if (offset >= strlen(str)) + str = empty; + else + str = str + offset; + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + slsmg_write_nstring(str, browser->width); +} + +static int list_menu__run(struct ui_browser *menu) +{ + int key; + unsigned long offset; + const char help[] = + "h/?/F1 Show this window\n" + "UP/DOWN/PGUP\n" + "PGDN/SPACE\n" + "LEFT/RIGHT Navigate\n" + "q/ESC/CTRL+C Exit browser"; + + if (ui_browser__show(menu, "Header information", "Press 'q' to exit") < 0) + return -1; + + while (1) { + key = ui_browser__run(menu, 0); + + switch (key) { + case K_RIGHT: + offset = (unsigned long)menu->priv; + offset += 10; + menu->priv = (void *)offset; + continue; + case K_LEFT: + offset = (unsigned long)menu->priv; + if (offset >= 10) + offset -= 10; + menu->priv = (void *)offset; + continue; + case K_F1: + case 'h': + case '?': + ui_browser__help_window(menu, help); + continue; + case K_ESC: + case 'q': + case CTRL('c'): + key = -1; + break; + default: + continue; + } + + break; + } + + ui_browser__hide(menu); + return key; +} + +static int ui__list_menu(int argc, char * const argv[]) +{ + struct ui_browser menu = { + .entries = (void *)argv, + .refresh = ui_browser__argv_refresh, + .seek = ui_browser__argv_seek, + .write = ui_browser__argv_write, + .nr_entries = argc, + }; + + return list_menu__run(&menu); +} + +int tui__header_window(struct perf_session_env *env) +{ + int i, argc = 0; + char **argv; + struct perf_session *session; + char *ptr, *pos; + size_t size; + FILE *fp = open_memstream(&ptr, &size); + + session = container_of(env, struct perf_session, header.env); + perf_header__fprintf_info(session, fp, true); + fclose(fp); + + for (pos = ptr, argc = 0; (pos = strchr(pos, '\n')) != NULL; pos++) + argc++; + + argv = calloc(argc + 1, sizeof(*argv)); + if (argv == NULL) + goto out; + + argv[0] = pos = ptr; + for (i = 1; (pos = strchr(pos, '\n')) != NULL; i++) { + *pos++ = '\0'; + argv[i] = pos; + } + + BUG_ON(i != argc + 1); + + ui__list_menu(argc, argv); + +out: + free(argv); + free(ptr); + return 0; +} diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index d43ec79ea4e3..0d9dd99507ee 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -1417,6 +1417,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, /* help messages are sorted by lexical order of the hotkey */ const char report_help[] = HIST_BROWSER_HELP_COMMON + "i Show header information\n" "P Print histograms to perf.hist.N\n" "r Run available scripts\n" "s Switch to another data file in PWD\n" @@ -1513,6 +1514,11 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, if (is_report_browser(hbt)) goto do_data_switch; continue; + case 'i': + /* env->arch is NULL for live-mode (i.e. perf top) */ + if (env->arch) + tui__header_window(env); + continue; case K_F1: case 'h': case '?':