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author | Dave Airlie <airlied@redhat.com> | 2017-06-16 13:58:27 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2017-06-16 13:58:27 +1000 |
commit | 925344ccc91d7a7fd84cab2dece1c34bbd86fd8c (patch) | |
tree | bd4110dc5a3b70a5674b9d6d5340cc1889f5d6e8 /tools/perf/tests/code-reading.c | |
parent | a6821698918a579e7219d706092e83f367f01ba2 (diff) | |
parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) | |
download | talos-op-linux-925344ccc91d7a7fd84cab2dece1c34bbd86fd8c.tar.gz talos-op-linux-925344ccc91d7a7fd84cab2dece1c34bbd86fd8c.zip |
BackMerge tag 'v4.12-rc5' into drm-next
Linux 4.12-rc5 for nouveau fixes
Diffstat (limited to 'tools/perf/tests/code-reading.c')
-rw-r--r-- | tools/perf/tests/code-reading.c | 20 |
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 |