diff options
Diffstat (limited to 'tools/perf/tests/code-reading.c')
| -rw-r--r-- | tools/perf/tests/code-reading.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index ed3815163d..3af8101201 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -269,6 +269,16 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, if (addr + len > map__end(al.map)) len = map__end(al.map) - addr; + /* + * Some architectures (ex: powerpc) have stubs (trampolines) in kernel + * modules to manage long jumps. Check if the ip offset falls in stubs + * sections for kernel modules. And skip module address after text end + */ + if (dso->is_kmod && al.addr > dso->text_end) { + pr_debug("skipping the module address %#"PRIx64" after text end\n", al.addr); + goto out; + } + /* Read the object code using perf */ ret_len = dso__data_read_offset(dso, maps__machine(thread__maps(thread)), al.addr, buf1, len); |