Add a function to track whether a caller has seen the data status of a dso. This is needed to enable callers to report the error exactly once only per dso.
Signed-off-by: Adrian Hunter <[email protected]> --- tools/perf/util/dso.c | 12 ++++++++++++ tools/perf/util/dso.h | 6 ++++++ 2 files changed, 18 insertions(+) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 8827db3..84e4a05 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -359,6 +359,18 @@ out: return dso->data.fd; } +bool dso__data_status_seen(struct dso *dso, enum dso_data_status_seen by) +{ + u32 flag = 1 << by; + + if (dso->data.status_seen & flag) + return true; + + dso->data.status_seen |= flag; + + return false; +} + static void dso_cache__free(struct rb_root *root) { diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index aeb7bcb..c805f60 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -46,6 +46,10 @@ enum dso_data_status { DSO_DATA_STATUS_OK = 1, }; +enum dso_data_status_seen { + DSO_DATA_STATUS_SEEN_ITRACE, +}; + #define DSO__SWAP(dso, type, val) \ ({ \ type ____r = val; \ @@ -111,6 +115,7 @@ struct dso { struct rb_root cache; int fd; int status; + u32 status_seen; size_t file_size; struct list_head open_entry; } data; @@ -203,6 +208,7 @@ ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, ssize_t dso__data_read_addr(struct dso *dso, struct map *map, struct machine *machine, u64 addr, u8 *data, ssize_t size); +bool dso__data_status_seen(struct dso *dso, enum dso_data_status_seen by); struct map *dso__new_map(const char *name); struct dso *dso__kernel_findnew(struct machine *machine, const char *name, -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
