diff options
Diffstat (limited to 'tools/perf/tests/code-reading.c')
| -rw-r--r-- | tools/perf/tests/code-reading.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index d1f693041324..94b7c7b02bde 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -1,9 +1,12 @@ +#include <errno.h> +#include <linux/kernel.h> #include <linux/types.h> +#include <inttypes.h> #include <stdlib.h> #include <unistd.h> #include <stdio.h> -#include <ctype.h> #include <string.h> +#include <sys/param.h> #include "parse-events.h" #include "evlist.h" @@ -16,6 +19,8 @@ #include "tests.h" +#include "sane_ctype.h" + #define BUFSZ 1024 #define READLEN 128 @@ -224,6 +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); @@ -284,9 +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 |
