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Subject[PATCH 34/66] libperf: Move 'mmap_len' from 'struct evlist' to 'struct perf_evlist'
Date
From: Jiri Olsa <jolsa@kernel.org>

Moving 'mmap_len' from 'struct evlist' to 'struct perf_evlist' it will
be used in following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lore.kernel.org/lkml/20190913132355.21634-22-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-record.c | 2 +-
tools/perf/lib/include/internal/evlist.h | 1 +
tools/perf/util/evlist.c | 10 +++++-----
tools/perf/util/evlist.h | 1 -
4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 8577bf33a556..94997144547d 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1412,7 +1412,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
err = -1;
goto out_child;
}
- session->header.env.comp_mmap_len = session->evlist->mmap_len;
+ session->header.env.comp_mmap_len = session->evlist->core.mmap_len;

err = bpf__apply_obj_config();
if (err) {
diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h
index 035c1e1cc324..01b813616440 100644
--- a/tools/perf/lib/include/internal/evlist.h
+++ b/tools/perf/lib/include/internal/evlist.h
@@ -14,6 +14,7 @@ struct perf_evlist {
struct perf_cpu_map *cpus;
struct perf_thread_map *threads;
int nr_mmaps;
+ size_t mmap_len;
};

/**
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index d147834fbe60..4d8cde099e10 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1012,11 +1012,11 @@ int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
return -ENOMEM;

- evlist->mmap_len = evlist__mmap_size(pages);
- pr_debug("mmap size %zuB\n", evlist->mmap_len);
- mp.mask = evlist->mmap_len - page_size - 1;
+ evlist->core.mmap_len = evlist__mmap_size(pages);
+ pr_debug("mmap size %zuB\n", evlist->core.mmap_len);
+ mp.mask = evlist->core.mmap_len - page_size - 1;

- auxtrace_mmap_params__init(&mp.auxtrace_mp, evlist->mmap_len,
+ auxtrace_mmap_params__init(&mp.auxtrace_mp, evlist->core.mmap_len,
auxtrace_pages, auxtrace_overwrite);

evlist__for_each_entry(evlist, evsel) {
@@ -1600,7 +1600,7 @@ int perf_evlist__strerror_open(struct evlist *evlist,
int perf_evlist__strerror_mmap(struct evlist *evlist, int err, char *buf, size_t size)
{
char sbuf[STRERR_BUFSIZE], *emsg = str_error_r(err, sbuf, sizeof(sbuf));
- int pages_attempted = evlist->mmap_len / 1024, pages_max_per_user, printed = 0;
+ int pages_attempted = evlist->core.mmap_len / 1024, pages_max_per_user, printed = 0;

switch (err) {
case EPERM:
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 816b72a2b1e5..765cee8bced1 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -56,7 +56,6 @@ struct evlist {
struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
int nr_groups;
bool enabled;
- size_t mmap_len;
int id_pos;
int is_pos;
u64 combined_sample_type;
--
2.21.0
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