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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2019-11-18 09:12:40 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-11-18 23:08:02 +0100 |
| commit | 66f69b2197167cb99330c77a550da50f1f597abc (patch) | |
| tree | d804ea39d77cac08c62a62b755f8176d0e9ba771 /tools/perf/util/probe-file.h | |
| parent | perf probe: Support multiprobe event (diff) | |
| download | linux-66f69b2197167cb99330c77a550da50f1f597abc.tar.xz linux-66f69b2197167cb99330c77a550da50f1f597abc.zip | |
perf probe: Support DW_AT_const_value constant value
Support DW_AT_const_value for variable assignment instead of location.
Note that this requires ftrace supporting immediate value.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Tom Zanussi <tom.zanussi@linux.intel.com>
Link: http://lore.kernel.org/lkml/157406476012.24476.16096289871757175775.stgit@devnote2
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/probe-file.h')
| -rw-r--r-- | tools/perf/util/probe-file.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/probe-file.h b/tools/perf/util/probe-file.h index 850d1b52d60a..0dba88c0f5f0 100644 --- a/tools/perf/util/probe-file.h +++ b/tools/perf/util/probe-file.h @@ -72,6 +72,7 @@ bool kretprobe_offset_is_supported(void); bool uprobe_ref_ctr_is_supported(void); bool user_access_is_supported(void); bool multiprobe_event_is_supported(void); +bool immediate_value_is_supported(void); #else /* ! HAVE_LIBELF_SUPPORT */ static inline struct probe_cache *probe_cache__new(const char *tgt __maybe_unused, struct nsinfo *nsi __maybe_unused) { |