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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/tools/perf/util/config.c
..
..
@@ -11,18 +11,23 @@
11
11
  */
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 #include <errno.h>
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 #include <sys/param.h>
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-#include "util.h"
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 #include "cache.h"
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+#include "callchain.h"
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 #include <subcmd/exec-cmd.h>
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+#include "util/event.h"  /* proc_map_timeout */
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 #include "util/hist.h"  /* perf_hist_config */
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 #include "util/llvm-utils.h"   /* perf_llvm_config */
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+#include "util/stat.h"  /* perf_stat__set_big_num */
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+#include "build-id.h"
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+#include "debug.h"
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 #include "config.h"
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 #include <sys/types.h>
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 #include <sys/stat.h>
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+#include <stdlib.h>
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 #include <unistd.h>
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 #include <linux/string.h>
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-
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-#include "sane_ctype.h"
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+#include <linux/zalloc.h>
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+#include <linux/ctype.h>
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31
 
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 #define MAXNAME (256)
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33
 
..
..
@@ -369,6 +374,18 @@
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 	return 0;
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 }
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376
 
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+int perf_config_u8(u8 *dest, const char *name, const char *value)
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+{
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+	long ret = 0;
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+
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+	if (!perf_parse_long(value, &ret)) {
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+		bad_config(name);
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+		return -1;
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+	}
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+	*dest = ret;
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+	return 0;
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+}
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+
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 static int perf_config_bool_or_int(const char *name, const char *value, int *is_bool)
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 {
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 	int ret;
..
..
@@ -419,6 +436,9 @@
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 static int perf_default_core_config(const char *var __maybe_unused,
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 				    const char *value __maybe_unused)
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 {
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+	if (!strcmp(var, "core.proc-map-timeout"))
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+		proc_map_timeout = strtoul(value, NULL, 10);
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+
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 	/* Add other config variables here. */
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 	return 0;
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 }
..
..
@@ -429,6 +449,15 @@
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 	if (!strcmp(var, "ui.show-headers"))
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 		symbol_conf.show_hist_headers = perf_config_bool(var, value);
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451
 
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+	return 0;
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+}
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+
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+static int perf_stat_config(const char *var, const char *value)
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+{
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+	if (!strcmp(var, "stat.big-num"))
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+		perf_stat__set_big_num(perf_config_bool(var, value));
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+
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+	/* Add other config variables here. */
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 	return 0;
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 }
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463
 
..
..
@@ -453,11 +482,14 @@
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 	if (strstarts(var, "buildid."))
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 		return perf_buildid_config(var, value);
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484
 
485
+	if (strstarts(var, "stat."))
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+		return perf_stat_config(var, value);
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+
456
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 	/* Add other config variables here. */
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 	return 0;
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 }
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491
 
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-static int perf_config_from_file(config_fn_t fn, const char *filename, void *data)
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+int perf_config_from_file(config_fn_t fn, const char *filename, void *data)
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 {
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 	int ret;
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 	FILE *f = fopen(filename, "r");
..
..
@@ -734,11 +766,15 @@
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 			if (ret < 0) {
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 				pr_err("Error: wrong config key-value pair %s=%s\n",
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 				       key, value);
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-				break;
769
+				/*
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+				 * Can't be just a 'break', as perf_config_set__for_each_entry()
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+				 * expands to two nested for() loops.
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+				 */
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+				goto out;
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 			}
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 		}
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 	}
741
-
777
+out:
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 	return ret;
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 }
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..
..
@@ -810,14 +846,14 @@
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 void set_buildid_dir(const char *dir)
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 {
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 	if (dir)
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-		scnprintf(buildid_dir, MAXPATHLEN-1, "%s", dir);
849
+		scnprintf(buildid_dir, MAXPATHLEN, "%s", dir);
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850
 
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 	/* default to $HOME/.debug */
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 	if (buildid_dir[0] == '\0') {
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 		char *home = getenv("HOME");
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854
 
819
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 		if (home) {
820
-			snprintf(buildid_dir, MAXPATHLEN-1, "%s/%s",
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+			snprintf(buildid_dir, MAXPATHLEN, "%s/%s",
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 				 home, DEBUG_CACHE_DIR);
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 		} else {
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 			strncpy(buildid_dir, DEBUG_CACHE_DIR, MAXPATHLEN-1);