diff options
| author | Dmitry Torokhov <[email protected]> | 2017-09-04 09:22:54 -0700 | 
|---|---|---|
| committer | Dmitry Torokhov <[email protected]> | 2017-09-04 09:22:54 -0700 | 
| commit | a6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8 (patch) | |
| tree | 8960e571a398b5d32e72bdb9c89ce965daa870ab /tools/perf/tests/code-reading.c | |
| parent | f5308d1b83eba20e69df5e0926ba7257c8dd9074 (diff) | |
| parent | 08d6ac9ee5fedd82040bc878705981b67a116a3f (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 4.14 merge window.
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  |