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-rw-r--r--tools/perf/Documentation/perf-annotate.txt7
-rw-r--r--tools/perf/Documentation/perf-diff.txt7
-rw-r--r--tools/perf/Documentation/perf-kwork.txt7
-rw-r--r--tools/perf/Documentation/perf-probe.txt6
-rw-r--r--tools/perf/Documentation/perf-report.txt7
-rw-r--r--tools/perf/Documentation/perf-sched.txt7
-rw-r--r--tools/perf/Documentation/perf-script.txt7
-rw-r--r--tools/perf/Documentation/perf-timechart.txt7
-rw-r--r--tools/perf/Documentation/tips.txt2
-rw-r--r--tools/perf/builtin-annotate.c3
-rw-r--r--tools/perf/builtin-diff.c3
-rw-r--r--tools/perf/builtin-kwork.c4
-rw-r--r--tools/perf/builtin-probe.c4
-rw-r--r--tools/perf/builtin-report.c3
-rw-r--r--tools/perf/builtin-sched.c4
-rw-r--r--tools/perf/builtin-script.c3
-rw-r--r--tools/perf/builtin-timechart.c3
-rw-r--r--tools/perf/util/symbol.c35
-rw-r--r--tools/perf/util/symbol.h18
-rw-r--r--tools/perf/util/symbol_conf.h1
20 files changed, 103 insertions, 35 deletions
diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index 547f1a268018..a688738809c4 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -110,8 +110,11 @@ include::itrace.txt[]
Interleave source code with assembly code. Enabled by default,
disable with --no-source.
---symfs=<directory>::
- Look for files with symbols relative to this directory.
+--symfs=<directory[,layout]>::
+ Look for files with symbols relative to this directory. The optional
+ layout can be 'hierarchy' (default, matches full path) or 'flat'
+ (only matches base name). This is useful when debug files are stored
+ in a flat directory structure.
-M::
--disassembler-style=:: Set disassembler style for objdump.
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index 58efab72d2e5..8e4a3f093135 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -81,8 +81,11 @@ OPTIONS
--force::
Don't do ownership validation.
---symfs=<directory>::
- Look for files with symbols relative to this directory.
+--symfs=<directory[,layout]>::
+ Look for files with symbols relative to this directory. The optional
+ layout can be 'hierarchy' (default, matches full path) or 'flat'
+ (only matches base name). This is useful when debug files are stored
+ in a flat directory structure.
-b::
--baseline-only::
diff --git a/tools/perf/Documentation/perf-kwork.txt b/tools/perf/Documentation/perf-kwork.txt
index 21e607669d78..5c33a1fb2ffe 100644
--- a/tools/perf/Documentation/perf-kwork.txt
+++ b/tools/perf/Documentation/perf-kwork.txt
@@ -169,8 +169,11 @@ OPTIONS for 'perf kwork timehist'
--max-stack::
Maximum number of functions to display in backtrace, default 5.
---symfs=<directory>::
- Look for files with symbols relative to this directory.
+--symfs=<directory[,layout]>::
+ Look for files with symbols relative to this directory. The optional
+ layout can be 'hierarchy' (default, matches full path) or 'flat'
+ (only matches base name). This is useful when debug files are stored
+ in a flat directory structure.
--time::
Only analyze samples within given time window: <start>,<stop>. Times
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 5c43a6edc0e5..2e5790325430 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -50,6 +50,12 @@ OPTIONS
--source=PATH::
Specify path to kernel source.
+--symfs=<directory[,layout]>::
+ Look for files with symbols relative to this directory. The optional
+ layout can be 'hierarchy' (default, matches full path) or 'flat'
+ (only matches base name). This is useful when debug files are stored
+ in a flat directory structure.
+
-v::
--verbose::
Be more verbose (show parsed arguments, etc).
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index acef3ff4178e..802f931ae64d 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -368,8 +368,11 @@ OPTIONS
--force::
Don't do ownership validation.
---symfs=<directory>::
- Look for files with symbols relative to this directory.
+--symfs=<directory[,layout]>::
+ Look for files with symbols relative to this directory. The optional
+ layout can be 'hierarchy' (default, matches full path) or 'flat'
+ (only matches base name). This is useful when debug files are stored
+ in a flat directory structure.
-C::
--cpu:: Only report samples for the list of CPUs provided. Multiple CPUs can
diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt
index 4d9981609c04..a4221398e5e0 100644
--- a/tools/perf/Documentation/perf-sched.txt
+++ b/tools/perf/Documentation/perf-sched.txt
@@ -437,8 +437,11 @@ OPTIONS for 'perf sched timehist'
Show all scheduling events followed by a summary by thread with min,
max, and average run times (in sec) and relative stddev.
---symfs=<directory>::
- Look for files with symbols relative to this directory.
+--symfs=<directory[,layout]>::
+ Look for files with symbols relative to this directory. The optional
+ layout can be 'hierarchy' (default, matches full path) or 'flat'
+ (only matches base name). This is useful when debug files are stored
+ in a flat directory structure.
-V::
--cpu-visual::
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index ddf92f9c7821..200ea25891d8 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -307,8 +307,11 @@ OPTIONS
--kallsyms=<file>::
kallsyms pathname
---symfs=<directory>::
- Look for files with symbols relative to this directory.
+--symfs=<directory[,layout]>::
+ Look for files with symbols relative to this directory. The optional
+ layout can be 'hierarchy' (default, matches full path) or 'flat'
+ (only matches base name). This is useful when debug files are stored
+ in a flat directory structure.
-G::
--hide-call-graph::
diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt
index ef2281c56743..bacc5df3c400 100644
--- a/tools/perf/Documentation/perf-timechart.txt
+++ b/tools/perf/Documentation/perf-timechart.txt
@@ -53,8 +53,11 @@ TIMECHART OPTIONS
-f::
--force::
Don't complain, do it.
---symfs=<directory>::
- Look for files with symbols relative to this directory.
+--symfs=<directory[,layout]>::
+ Look for files with symbols relative to this directory. The optional
+ layout can be 'hierarchy' (default, matches full path) or 'flat'
+ (only matches base name). This is useful when debug files are stored
+ in a flat directory structure.
-n::
--proc-num::
Print task info for at least given number of tasks.
diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt
index 3fee9b2a88ea..ebf12a8c5db5 100644
--- a/tools/perf/Documentation/tips.txt
+++ b/tools/perf/Documentation/tips.txt
@@ -11,7 +11,7 @@ Search options using a keyword: perf report -h <keyword>
Use parent filter to see specific call path: perf report -p <regex>
List events using substring match: perf list <keyword>
To see list of saved events and attributes: perf evlist -v
-Use --symfs <dir> if your symbol files are in non-standard locations
+Use --symfs <dir>[,layout] if your symbol files are in non-standard locations.
To see callchains in a more compact form: perf report -g folded
To see call chains by final symbol taking CPU time (bottom up) use perf report -G
Show individual samples with: perf script
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 9c27bb30b708..686ad08561d6 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -744,8 +744,7 @@ int cmd_annotate(int argc, const char **argv)
&annotate.group_set,
"Show event group information together"),
OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"),
- OPT_CALLBACK(0, "symfs", NULL, "directory",
- "Look for files with symbols relative to this directory",
+ OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
symbol__config_symfs),
OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src,
"Interleave source code with assembly code (default)"),
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 59bf1f72d12e..69069926dd0b 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1280,8 +1280,7 @@ static const struct option options[] = {
OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
"separator for columns, no spaces will be added between "
"columns '.' is reserved."),
- OPT_CALLBACK(0, "symfs", NULL, "directory",
- "Look for files with symbols relative to this directory",
+ OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
symbol__config_symfs),
OPT_UINTEGER('o', "order", &sort_compute, "Specify compute sorting."),
OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
diff --git a/tools/perf/builtin-kwork.c b/tools/perf/builtin-kwork.c
index 7f3068264568..6f94a8f45f60 100644
--- a/tools/perf/builtin-kwork.c
+++ b/tools/perf/builtin-kwork.c
@@ -2423,8 +2423,8 @@ int cmd_kwork(int argc, const char **argv)
"Display call chains if present"),
OPT_UINTEGER(0, "max-stack", &kwork.max_stack,
"Maximum number of functions to display backtrace."),
- OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
- "Look for files with symbols relative to this directory"),
+ OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
+ symbol__config_symfs),
OPT_STRING(0, "time", &kwork.time_str, "str",
"Time span for analysis (start,stop)"),
OPT_STRING('C', "cpu", &kwork.cpu_list, "cpu",
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 1b4ba85ee019..a67b565278ae 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -597,8 +597,8 @@ __cmd_probe(int argc, const char **argv)
OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
"Enable kernel symbol demangling"),
OPT_BOOLEAN(0, "cache", &probe_conf.cache, "Manipulate probe cache"),
- OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
- "Look for files with symbols relative to this directory"),
+ OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
+ symbol__config_symfs),
OPT_CALLBACK(0, "target-ns", NULL, "pid",
"target pid for namespace contexts", opt_set_target_ns),
OPT_BOOLEAN(0, "bootconfig", &probe_conf.bootconfig,
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 3b81f4b3dc49..343c0ada5ea1 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1416,8 +1416,7 @@ int cmd_report(int argc, const char **argv)
"columns '.' is reserved."),
OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
"Only display entries resolved to a symbol"),
- OPT_CALLBACK(0, "symfs", NULL, "directory",
- "Look for files with symbols relative to this directory",
+ OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
symbol__config_symfs),
OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
"list of cpus to profile"),
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 3f509cfdd58c..d083e2bb7703 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -4879,8 +4879,8 @@ int cmd_sched(int argc, const char **argv)
"Display call chains if present (default on)"),
OPT_UINTEGER(0, "max-stack", &sched.max_stack,
"Maximum number of functions to display backtrace."),
- OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
- "Look for files with symbols relative to this directory"),
+ OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
+ symbol__config_symfs),
OPT_BOOLEAN('s', "summary", &sched.summary_only,
"Show only syscall summary with statistics"),
OPT_BOOLEAN('S', "with-summary", &sched.summary,
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 9f8b0fd27a0a..b80c406d1fc1 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -4078,8 +4078,7 @@ int cmd_script(int argc, const char **argv)
"file", "kallsyms pathname"),
OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
"When printing symbols do not display call chain"),
- OPT_CALLBACK(0, "symfs", NULL, "directory",
- "Look for files with symbols relative to this directory",
+ OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
symbol__config_symfs),
OPT_CALLBACK('F', "fields", NULL, "str",
"comma separated output fields prepend with 'type:'. "
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index f8b49d69e9a5..28f33e39895d 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -1951,8 +1951,7 @@ int cmd_timechart(int argc, const char **argv)
OPT_CALLBACK('p', "process", NULL, "process",
"process selector. Pass a pid or process name.",
parse_process),
- OPT_CALLBACK(0, "symfs", NULL, "directory",
- "Look for files with symbols relative to this directory",
+ OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP,
symbol__config_symfs),
OPT_INTEGER('n', "proc-num", &tchart.proc_num,
"min. number of tasks to print"),
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 8662001e1e25..bd811b2b7890 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -66,6 +66,7 @@ struct symbol_conf symbol_conf = {
.time_quantum = 100 * NSEC_PER_MSEC, /* 100ms */
.show_hist_headers = true,
.symfs = "",
+ .symfs_layout_flat = false,
.event_group = true,
.inline_name = true,
.res_sample = 0,
@@ -2491,16 +2492,42 @@ int symbol__config_symfs(const struct option *opt __maybe_unused,
const char *dir, int unset __maybe_unused)
{
char *bf = NULL;
+ char *layout_str;
+ char *dir_copy;
int ret;
- symbol_conf.symfs = strdup(dir);
- if (symbol_conf.symfs == NULL)
- return -ENOMEM;
+ layout_str = strrchr(dir, ',');
+ if (layout_str) {
+ size_t dir_len = layout_str - dir;
+
+ dir_copy = strndup(dir, dir_len);
+ if (dir_copy == NULL)
+ return -ENOMEM;
+
+ symbol_conf.symfs = dir_copy;
+
+ layout_str++;
+ if (!strcmp(layout_str, "flat"))
+ symbol_conf.symfs_layout_flat = true;
+ else if (!strcmp(layout_str, "hierarchy"))
+ symbol_conf.symfs_layout_flat = false;
+ else {
+ pr_err("Invalid layout: '%s', use 'hierarchy' or 'flat'\n",
+ layout_str);
+ free(dir_copy);
+ return -EINVAL;
+ }
+ } else {
+ symbol_conf.symfs = strdup(dir);
+ if (symbol_conf.symfs == NULL)
+ return -ENOMEM;
+ symbol_conf.symfs_layout_flat = false;
+ }
/* skip the locally configured cache if a symfs is given, and
* config buildid dir to symfs/.debug
*/
- ret = asprintf(&bf, "%s/%s", dir, ".debug");
+ ret = asprintf(&bf, "%s/%s", symbol_conf.symfs, ".debug");
if (ret < 0)
return -ENOMEM;
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 3fb5d146d9b1..4f1dbd1ebd99 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -9,6 +9,7 @@
#include <linux/list.h>
#include <linux/rbtree.h>
#include <stdio.h>
+#include <errno.h>
#include "addr_location.h"
#include "path.h"
#include "symbol_conf.h"
@@ -96,6 +97,18 @@ struct intlist;
static inline int __symbol__join_symfs(char *bf, size_t size, const char *path)
{
+ if (symbol_conf.symfs_layout_flat) {
+ char *path_copy = strdup(path);
+ char *base;
+ int ret;
+
+ if (!path_copy)
+ return -ENOMEM;
+ base = basename(path_copy);
+ ret = path__join(bf, size, symbol_conf.symfs, base);
+ free(path_copy);
+ return ret;
+ }
return path__join(bf, size, symbol_conf.symfs, path);
}
@@ -169,6 +182,11 @@ size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
size_t symbol__fprintf(struct symbol *sym, FILE *fp);
bool symbol__restricted_filename(const char *filename,
const char *restricted_filename);
+
+#define SYMFS_HELP "setup root directory which contains debug files:\n" \
+ "\t\t\t\t" "directory:\tLook for files with symbols relative to this directory.\n" \
+ "\t\t\t\t" "layout: \tLayout of files, 'hierarchy' matches full path (default), 'flat' only matches base name.\n"
+
int symbol__config_symfs(const struct option *opt __maybe_unused,
const char *dir, int unset __maybe_unused);
diff --git a/tools/perf/util/symbol_conf.h b/tools/perf/util/symbol_conf.h
index 71bb17372a6c..ac1b444a8fd8 100644
--- a/tools/perf/util/symbol_conf.h
+++ b/tools/perf/util/symbol_conf.h
@@ -93,6 +93,7 @@ struct symbol_conf {
*tid_list,
*addr_list;
const char *symfs;
+ bool symfs_layout_flat;
int res_sample;
int pad_output_len_dso;
int group_sort_idx;
generated by cgit v1.2.3 (git 2.39.0) at 2026-05-18 15:06:05 +0300