hc
2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d
kernel/tools/perf/tests/bpf.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0
12 #include <errno.h>
23 #include <stdio.h>
34 #include <stdlib.h>
....@@ -5,17 +6,22 @@
56 #include <sys/types.h>
67 #include <sys/stat.h>
78 #include <fcntl.h>
9
+#include <util/record.h>
810 #include <util/util.h>
911 #include <util/bpf-loader.h>
1012 #include <util/evlist.h>
1113 #include <linux/bpf.h>
1214 #include <linux/filter.h>
1315 #include <linux/kernel.h>
16
+#include <linux/string.h>
1417 #include <api/fs/fs.h>
1518 #include <bpf/bpf.h>
19
+#include <perf/mmap.h>
1620 #include "tests.h"
1721 #include "llvm.h"
1822 #include "debug.h"
23
+#include "parse-events.h"
24
+#include "util/mmap.h"
1925 #define NR_ITERS 111
2026 #define PERF_TEST_BPF_PATH "/sys/fs/bpf/perf_test"
2127
....@@ -118,7 +124,7 @@
118124
119125 char pid[16];
120126 char sbuf[STRERR_BUFSIZE];
121
- struct perf_evlist *evlist;
127
+ struct evlist *evlist;
122128 int i, ret = TEST_FAIL, err = 0, count = 0;
123129
124130 struct parse_events_state parse_state;
....@@ -140,7 +146,7 @@
140146 opts.target.tid = opts.target.pid = pid;
141147
142148 /* Instead of perf_evlist__new_default, don't add default events */
143
- evlist = perf_evlist__new();
149
+ evlist = evlist__new();
144150 if (!evlist) {
145151 pr_debug("Not enough memory to create evlist\n");
146152 return TEST_FAIL;
....@@ -157,50 +163,50 @@
157163
158164 perf_evlist__config(evlist, &opts, NULL);
159165
160
- err = perf_evlist__open(evlist);
166
+ err = evlist__open(evlist);
161167 if (err < 0) {
162168 pr_debug("perf_evlist__open: %s\n",
163169 str_error_r(errno, sbuf, sizeof(sbuf)));
164170 goto out_delete_evlist;
165171 }
166172
167
- err = perf_evlist__mmap(evlist, opts.mmap_pages);
173
+ err = evlist__mmap(evlist, opts.mmap_pages);
168174 if (err < 0) {
169
- pr_debug("perf_evlist__mmap: %s\n",
175
+ pr_debug("evlist__mmap: %s\n",
170176 str_error_r(errno, sbuf, sizeof(sbuf)));
171177 goto out_delete_evlist;
172178 }
173179
174
- perf_evlist__enable(evlist);
180
+ evlist__enable(evlist);
175181 (*func)();
176
- perf_evlist__disable(evlist);
182
+ evlist__disable(evlist);
177183
178
- for (i = 0; i < evlist->nr_mmaps; i++) {
184
+ for (i = 0; i < evlist->core.nr_mmaps; i++) {
179185 union perf_event *event;
180
- struct perf_mmap *md;
186
+ struct mmap *md;
181187
182188 md = &evlist->mmap[i];
183
- if (perf_mmap__read_init(md) < 0)
189
+ if (perf_mmap__read_init(&md->core) < 0)
184190 continue;
185191
186
- while ((event = perf_mmap__read_event(md)) != NULL) {
192
+ while ((event = perf_mmap__read_event(&md->core)) != NULL) {
187193 const u32 type = event->header.type;
188194
189195 if (type == PERF_RECORD_SAMPLE)
190196 count ++;
191197 }
192
- perf_mmap__read_done(md);
198
+ perf_mmap__read_done(&md->core);
193199 }
194200
195
- if (count != expect) {
196
- pr_debug("BPF filter result incorrect, expected %d, got %d samples\n", expect, count);
201
+ if (count != expect * evlist->core.nr_entries) {
202
+ pr_debug("BPF filter result incorrect, expected %d, got %d samples\n", expect * evlist->core.nr_entries, count);
197203 goto out_delete_evlist;
198204 }
199205
200206 ret = TEST_OK;
201207
202208 out_delete_evlist:
203
- perf_evlist__delete(evlist);
209
+ evlist__delete(evlist);
204210 return ret;
205211 }
206212