disable pwm7

hc

2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a

 kernel/tools/perf/util/probe-file.c
..
..
@@ -1,18 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  * probe-file.c : operate ftrace k/uprobe events files
3
4
  *
4
5
  * Written by Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
5
- *
6
- * This program is free software; you can redistribute it and/or modify
7
- * it under the terms of the GNU General Public License as published by
8
- * the Free Software Foundation; either version 2 of the License, or
9
- * (at your option) any later version.
10
- *
11
- * This program is distributed in the hope that it will be useful,
12
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
- * GNU General Public License for more details.
15
- *
16
6
  */
17
7
 #include <errno.h>
18
8
 #include <fcntl.h>
..
..
@@ -20,15 +10,17 @@
20
10
 #include <sys/types.h>
21
11
 #include <sys/uio.h>
22
12
 #include <unistd.h>
23
-#include "util.h"
13
+#include <linux/zalloc.h>
14
+#include "namespaces.h"
24
15
 #include "event.h"
25
16
 #include "strlist.h"
26
17
 #include "strfilter.h"
27
18
 #include "debug.h"
28
-#include "cache.h"
19
+#include "build-id.h"
20
+#include "dso.h"
29
21
 #include "color.h"
30
22
 #include "symbol.h"
31
-#include "thread.h"
23
+#include "strbuf.h"
32
24
 #include <api/fs/tracing_path.h>
33
25
 #include "probe-event.h"
34
26
 #include "probe-file.h"
..
..
@@ -214,6 +206,9 @@
214
206
 		} else
215
207
 			ret = strlist__add(sl, tev.event);
216
208
 		clear_probe_trace_event(&tev);
209
+		/* Skip if there is same name multi-probe event in the list */
210
+		if (ret == -EEXIST)
211
+			ret = 0;
217
212
 		if (ret < 0)
218
213
 			break;
219
214
 	}
..
..
@@ -309,10 +304,15 @@
309
304
 		p = strchr(ent->s, ':');
310
305
 		if ((p && strfilter__compare(filter, p + 1)) ||
311
306
 		    strfilter__compare(filter, ent->s)) {
312
-			strlist__add(plist, ent->s);
307
+			ret = strlist__add(plist, ent->s);
308
+			if (ret == -ENOMEM) {
309
+				pr_err("strlist__add failed with -ENOMEM\n");
310
+				goto out;
311
+			}
313
312
 			ret = 0;
314
313
 		}
315
314
 	}
315
+out:
316
316
 	strlist__delete(namelist);
317
317
 
318
318
 	return ret;
..
..
@@ -519,7 +519,11 @@
519
519
 				ret = -EINVAL;
520
520
 				goto out;
521
521
 			}
522
-			strlist__add(entry->tevlist, buf);
522
+			ret = strlist__add(entry->tevlist, buf);
523
+			if (ret == -ENOMEM) {
524
+				pr_err("strlist__add failed with -ENOMEM\n");
525
+				goto out;
526
+			}
523
527
 		}
524
528
 	}
525
529
 out:
..
..
@@ -680,7 +684,12 @@
680
684
 		command = synthesize_probe_trace_command(&tevs[i]);
681
685
 		if (!command)
682
686
 			goto out_err;
683
-		strlist__add(entry->tevlist, command);
687
+		ret = strlist__add(entry->tevlist, command);
688
+		if (ret == -ENOMEM) {
689
+			pr_err("strlist__add failed with -ENOMEM\n");
690
+			goto out_err;
691
+		}
692
+
684
693
 		free(command);
685
694
 	}
686
695
 	list_add_tail(&entry->node, &pcache->entries);
..
..
@@ -696,8 +705,16 @@
696
705
 #ifdef HAVE_GELF_GETNOTE_SUPPORT
697
706
 static unsigned long long sdt_note__get_addr(struct sdt_note *note)
698
707
 {
699
-	return note->bit32 ? (unsigned long long)note->addr.a32[0]
700
-		 : (unsigned long long)note->addr.a64[0];
708
+	return note->bit32 ?
709
+		(unsigned long long)note->addr.a32[SDT_NOTE_IDX_LOC] :
710
+		(unsigned long long)note->addr.a64[SDT_NOTE_IDX_LOC];
711
+}
712
+
713
+static unsigned long long sdt_note__get_ref_ctr_offset(struct sdt_note *note)
714
+{
715
+	return note->bit32 ?
716
+		(unsigned long long)note->addr.a32[SDT_NOTE_IDX_REFCTR] :
717
+		(unsigned long long)note->addr.a64[SDT_NOTE_IDX_REFCTR];
701
718
 }
702
719
 
703
720
 static const char * const type_to_suffix[] = {
..
..
@@ -774,27 +791,41 @@
774
791
 					const char *sdtgrp)
775
792
 {
776
793
 	struct strbuf buf;
777
-	char *ret = NULL, **args;
778
-	int i, args_count;
794
+	char *ret = NULL;
795
+	int i, args_count, err;
796
+	unsigned long long ref_ctr_offset;
779
797
 
780
798
 	if (strbuf_init(&buf, 32) < 0)
781
799
 		return NULL;
782
800
 
783
-	if (strbuf_addf(&buf, "p:%s/%s %s:0x%llx",
784
-				sdtgrp, note->name, pathname,
785
-				sdt_note__get_addr(note)) < 0)
801
+	err = strbuf_addf(&buf, "p:%s/%s %s:0x%llx",
802
+			sdtgrp, note->name, pathname,
803
+			sdt_note__get_addr(note));
804
+
805
+	ref_ctr_offset = sdt_note__get_ref_ctr_offset(note);
806
+	if (ref_ctr_offset && err >= 0)
807
+		err = strbuf_addf(&buf, "(0x%llx)", ref_ctr_offset);
808
+
809
+	if (err < 0)
786
810
 		goto error;
787
811
 
788
812
 	if (!note->args)
789
813
 		goto out;
790
814
 
791
815
 	if (note->args) {
792
-		args = argv_split(note->args, &args_count);
816
+		char **args = argv_split(note->args, &args_count);
817
+
818
+		if (args == NULL)
819
+			goto error;
793
820
 
794
821
 		for (i = 0; i < args_count; ++i) {
795
-			if (synthesize_sdt_probe_arg(&buf, i, args[i]) < 0)
822
+			if (synthesize_sdt_probe_arg(&buf, i, args[i]) < 0) {
823
+				argv_free(args);
796
824
 				goto error;
825
+			}
797
826
 		}
827
+
828
+		argv_free(args);
798
829
 	}
799
830
 
800
831
 out:
..
..
@@ -846,9 +877,15 @@
846
877
 			break;
847
878
 		}
848
879
 
849
-		strlist__add(entry->tevlist, buf);
880
+		ret = strlist__add(entry->tevlist, buf);
881
+
850
882
 		free(buf);
851
883
 		entry = NULL;
884
+
885
+		if (ret == -ENOMEM) {
886
+			pr_err("strlist__add failed with -ENOMEM\n");
887
+			break;
888
+		}
852
889
 	}
853
890
 	if (entry) {
854
891
 		list_del_init(&entry->node);
..
..
@@ -998,6 +1035,10 @@
998
1035
 enum ftrace_readme {
999
1036
 	FTRACE_README_PROBE_TYPE_X = 0,
1000
1037
 	FTRACE_README_KRETPROBE_OFFSET,
1038
+	FTRACE_README_UPROBE_REF_CTR,
1039
+	FTRACE_README_USER_ACCESS,
1040
+	FTRACE_README_MULTIPROBE_EVENT,
1041
+	FTRACE_README_IMMEDIATE_VALUE,
1001
1042
 	FTRACE_README_END,
1002
1043
 };
1003
1044
 
..
..
@@ -1009,6 +1050,10 @@
1009
1050
 	[idx] = {.pattern = pat, .avail = false}
1010
1051
 	DEFINE_TYPE(FTRACE_README_PROBE_TYPE_X, "*type: * x8/16/32/64,*"),
1011
1052
 	DEFINE_TYPE(FTRACE_README_KRETPROBE_OFFSET, "*place (kretprobe): *"),
1053
+	DEFINE_TYPE(FTRACE_README_UPROBE_REF_CTR, "*ref_ctr_offset*"),
1054
+	DEFINE_TYPE(FTRACE_README_USER_ACCESS, "*u]<offset>*"),
1055
+	DEFINE_TYPE(FTRACE_README_MULTIPROBE_EVENT, "*Create/append/*"),
1056
+	DEFINE_TYPE(FTRACE_README_IMMEDIATE_VALUE, "*\\imm-value,*"),
1012
1057
 };
1013
1058
 
1014
1059
 static bool scan_ftrace_readme(enum ftrace_readme type)
..
..
@@ -1064,3 +1109,23 @@
1064
1109
 {
1065
1110
 	return scan_ftrace_readme(FTRACE_README_KRETPROBE_OFFSET);
1066
1111
 }
1112
+
1113
+bool uprobe_ref_ctr_is_supported(void)
1114
+{
1115
+	return scan_ftrace_readme(FTRACE_README_UPROBE_REF_CTR);
1116
+}
1117
+
1118
+bool user_access_is_supported(void)
1119
+{
1120
+	return scan_ftrace_readme(FTRACE_README_USER_ACCESS);
1121
+}
1122
+
1123
+bool multiprobe_event_is_supported(void)
1124
+{
1125
+	return scan_ftrace_readme(FTRACE_README_MULTIPROBE_EVENT);
1126
+}
1127
+
1128
+bool immediate_value_is_supported(void)
1129
+{
1130
+	return scan_ftrace_readme(FTRACE_README_IMMEDIATE_VALUE);
1131
+}