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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-06-19 15:14:35 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-06-19 15:14:35 -0300
commit8052bd8243e823a0954bcbafda8f91072598f13d (patch)
treee5f1502735c2a75fbe865cf57582d2e8354e6f43 /tools/perf/tests/code-reading.c
parentd0fabd1cb8b70073a0f44f1cf8b663b5e7241c74 (diff)
parent531c221df182af5a7fc2bf7ba7eee89354fe9a10 (diff)
Merge remote-tracking branch 'tip/perf/urgent' into perf/core
Merge branch 'perf/urgent' into perf/core, to pick up fixes Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/code-reading.c')
-rw-r--r--tools/perf/tests/code-reading.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index 1f14e7612cbb..94b7c7b02bde 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -229,6 +229,8 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode,
unsigned char buf2[BUFSZ];
size_t ret_len;
u64 objdump_addr;
+ const char *objdump_name;
+ char decomp_name[KMOD_DECOMP_LEN];
int ret;
pr_debug("Reading object code for memory address: %#"PRIx64"\n", addr);
@@ -289,9 +291,25 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode,
state->done[state->done_cnt++] = al.map->start;
}
+ objdump_name = al.map->dso->long_name;
+ if (dso__needs_decompress(al.map->dso)) {
+ if (dso__decompress_kmodule_path(al.map->dso, objdump_name,
+ decomp_name,
+ sizeof(decomp_name)) < 0) {
+ pr_debug("decompression failed\n");
+ return -1;
+ }
+
+ objdump_name = decomp_name;
+ }
+
/* Read the object code using objdump */
objdump_addr = map__rip_2objdump(al.map, al.addr);
- ret = read_via_objdump(al.map->dso->long_name, objdump_addr, buf2, len);
+ ret = read_via_objdump(objdump_name, objdump_addr, buf2, len);
+
+ if (dso__needs_decompress(al.map->dso))
+ unlink(objdump_name);
+
if (ret > 0) {
/*
* The kernel maps are inaccurate - assume objdump is right in