[PATCH v4.1 02/13] perf hist: Save raw_data/size for tracepoint events

From: Namhyung Kim
Date: Wed Dec 23 2015 - 20:06:35 EST


The raw_data and raw_size fields are to provide tracepoint specific
information. They will be used by dynamic sort keys later.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
make a copy of raw_data

tools/perf/util/hist.c | 27 +++++++++++++++++++++++++++
tools/perf/util/sort.h | 2 ++
2 files changed, 29 insertions(+)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 039bb91d0a92..df5567fff986 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -369,6 +369,28 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template,
if (symbol_conf.use_callchain)
callchain_init(he->callchain);

+ if (he->raw_data) {
+ void *data = malloc(he->raw_size);
+
+ if (data == NULL) {
+ map__put(he->ms.map);
+ if (he->branch_info) {
+ map__put(he->branch_info->from.map);
+ map__put(he->branch_info->to.map);
+ free(he->branch_info);
+ }
+ if (he->mem_info) {
+ map__put(he->mem_info->iaddr.map);
+ map__put(he->mem_info->daddr.map);
+ }
+ free(he->stat_acc);
+ free(he);
+ return NULL;
+ }
+
+ memcpy(data, he->raw_data, he->raw_size);
+ he->raw_data = data;
+ }
INIT_LIST_HEAD(&he->pairs.node);
thread__get(he->thread);
}
@@ -487,6 +509,8 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
.branch_info = bi,
.mem_info = mi,
.transaction = sample->transaction,
+ .raw_data = sample->raw_data,
+ .raw_size = sample->raw_size,
};

return hists__findnew_entry(hists, &entry, al, sample_self);
@@ -801,6 +825,8 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
.sym = al->sym,
},
.parent = iter->parent,
+ .raw_data = sample->raw_data,
+ .raw_size = sample->raw_size,
};
int i;
struct callchain_cursor cursor;
@@ -974,6 +1000,7 @@ void hist_entry__delete(struct hist_entry *he)
if (he->srcfile && he->srcfile[0])
free(he->srcfile);
free_callchain(he->callchain);
+ free(he->raw_data);
free(he);
}

diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 86f05e7a5566..d29898708dbd 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -122,6 +122,8 @@ struct hist_entry {
struct branch_info *branch_info;
struct hists *hists;
struct mem_info *mem_info;
+ void *raw_data;
+ u32 raw_size;
struct callchain_root callchain[0]; /* must be last member */
};

--
2.6.4

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