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Subject[PATCH] perf: Support for Openembedded/Yocto -dbg packages
Date
On OpenEmbedded the symbol files are located under a .debug folder on
the same folder as the binary file.

This patch adds support for such files.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
---
tools/perf/util/dso.c | 16 ++++++++++++++++
tools/perf/util/dso.h | 1 +
tools/perf/util/symbol.c | 1 +
3 files changed, 18 insertions(+)

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index c4374f0..bab18b7 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -14,6 +14,7 @@ char dso__symtab_origin(const struct dso *dso)
[DSO_BINARY_TYPE__BUILD_ID_CACHE] = 'B',
[DSO_BINARY_TYPE__FEDORA_DEBUGINFO] = 'f',
[DSO_BINARY_TYPE__UBUNTU_DEBUGINFO] = 'u',
+ [DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO] = 'o',
[DSO_BINARY_TYPE__BUILDID_DEBUGINFO] = 'b',
[DSO_BINARY_TYPE__SYSTEM_PATH_DSO] = 'd',
[DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE] = 'K',
@@ -64,6 +65,21 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,
symbol_conf.symfs, dso->long_name);
break;

+ case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO:{
+ char *last_slash;
+
+ last_slash = dso->long_name + dso->long_name_len;
+ while (last_slash != dso->long_name && *last_slash != '/')
+ last_slash--;
+
+ snprintf(file, MIN(size, strlen(symbol_conf.symfs) +
+ (last_slash - dso->long_name) + 2), "%s%s",
+ symbol_conf.symfs, dso->long_name);
+ snprintf(file + strlen(file), size-strlen(file), ".debug%s",
+ last_slash);
+ }
+ break;
+
case DSO_BINARY_TYPE__BUILDID_DEBUGINFO:
if (!dso->has_build_id) {
ret = -1;
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index d51aaf2..4f78e7b 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -20,6 +20,7 @@ enum dso_binary_type {
DSO_BINARY_TYPE__SYSTEM_PATH_DSO,
DSO_BINARY_TYPE__GUEST_KMODULE,
DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE,
+ DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO,
DSO_BINARY_TYPE__NOT_FOUND,
};

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index d5528e1..f69d57b 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -51,6 +51,7 @@ static enum dso_binary_type binary_type_symtab[] = {
DSO_BINARY_TYPE__SYSTEM_PATH_DSO,
DSO_BINARY_TYPE__GUEST_KMODULE,
DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE,
+ DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO,
DSO_BINARY_TYPE__NOT_FOUND,
};

--
1.8.4.rc3


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