3 #include <sys/ttydefaults.h>
5 #include "../../util/sort.h"
6 #include "../../util/util.h"
7 #include "../../util/hist.h"
8 #include "../../util/debug.h"
9 #include "../../util/symbol.h"
10 #include "../browser.h"
11 #include "../helpline.h"
12 #include "../libslang.h"
14 /* 2048 lines should be enough for a script output */
15 #define MAX_LINES 2048
17 /* 160 bytes for one output line */
18 #define AVERAGE_LINE_LEN 160
21 struct list_head node;
22 char line[AVERAGE_LINE_LEN];
25 struct perf_script_browser {
27 struct list_head entries;
28 const char *script_name;
32 #define SCRIPT_NAMELEN 128
33 #define SCRIPT_MAX_NO 64
35 * Usually the full path for a script is:
36 * /home/username/libexec/perf-core/scripts/python/xxx.py
37 * /home/username/libexec/perf-core/scripts/perl/xxx.pl
38 * So 256 should be long enough to contain the full path.
40 #define SCRIPT_FULLPATH_LEN 256
43 * When success, will copy the full path of the selected script
44 * into the buffer pointed by script_name, and return 0.
45 * Return -1 on failure.
47 static int list_scripts(char *script_name)
49 char *buf, *names[SCRIPT_MAX_NO], *paths[SCRIPT_MAX_NO];
50 int i, num, choice, ret = -1;
52 /* Preset the script name to SCRIPT_NAMELEN */
53 buf = malloc(SCRIPT_MAX_NO * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN));
57 for (i = 0; i < SCRIPT_MAX_NO; i++) {
58 names[i] = buf + i * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN);
59 paths[i] = names[i] + SCRIPT_NAMELEN;
62 num = find_scripts(names, paths);
64 choice = ui__popup_menu(num, names);
65 if (choice < num && choice >= 0) {
66 strcpy(script_name, paths[choice]);
75 static void script_browser__write(struct ui_browser *browser,
78 struct script_line *sline = list_entry(entry, struct script_line, node);
79 bool current_entry = ui_browser__is_current_entry(browser, row);
81 ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
84 ui_browser__write_nstring(browser, sline->line, browser->width);
87 static int script_browser__run(struct perf_script_browser *browser)
91 if (ui_browser__show(&browser->b, browser->script_name,
92 "Press ESC to exit") < 0)
96 key = ui_browser__run(&browser->b, 0);
98 /* We can add some special key handling here if needed */
102 ui_browser__hide(&browser->b);
107 int script_browse(const char *script_opt)
109 char cmd[SCRIPT_FULLPATH_LEN*2], script_name[SCRIPT_FULLPATH_LEN];
113 int ret = -1, nr_entries = 0;
116 struct script_line *sline;
118 struct perf_script_browser script = {
120 .refresh = ui_browser__list_head_refresh,
121 .seek = ui_browser__list_head_seek,
122 .write = script_browser__write,
124 .script_name = script_name,
127 INIT_LIST_HEAD(&script.entries);
129 /* Save each line of the output in one struct script_line object. */
130 buf = zalloc((sizeof(*sline)) * MAX_LINES);
135 memset(script_name, 0, SCRIPT_FULLPATH_LEN);
136 if (list_scripts(script_name))
139 sprintf(cmd, "perf script -s %s ", script_name);
142 strcat(cmd, script_opt);
146 strcat(cmd, input_name);
149 strcat(cmd, " 2>&1");
151 fp = popen(cmd, "r");
155 while ((retlen = getline(&line, &len, fp)) != -1) {
156 strncpy(sline->line, line, AVERAGE_LINE_LEN);
158 /* If one output line is very large, just cut it short */
159 if (retlen >= AVERAGE_LINE_LEN) {
160 sline->line[AVERAGE_LINE_LEN - 1] = '\0';
161 sline->line[AVERAGE_LINE_LEN - 2] = '\n';
163 list_add_tail(&sline->node, &script.entries);
165 if (script.b.width < retlen)
166 script.b.width = retlen;
168 if (nr_entries++ >= MAX_LINES - 1)
173 if (script.b.width > AVERAGE_LINE_LEN)
174 script.b.width = AVERAGE_LINE_LEN;
179 script.nr_lines = nr_entries;
180 script.b.nr_entries = nr_entries;
181 script.b.entries = &script.entries;
183 ret = script_browser__run(&script);