// SPDX-License-Identifier: GPL-2.0
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#include "parse-events.h"
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#include "pmu.h"
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#include "util.h"
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#include "tests.h"
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#include <errno.h>
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#include <linux/kernel.h>
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/* Simulated format definitions. */
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static struct test_format {
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const char *name;
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const char *value;
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} test_formats[] = {
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{ "krava01", "config:0-1,62-63\n", },
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{ "krava02", "config:10-17\n", },
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{ "krava03", "config:5\n", },
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{ "krava11", "config1:0,2,4,6,8,20-28\n", },
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{ "krava12", "config1:63\n", },
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{ "krava13", "config1:45-47\n", },
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{ "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", },
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{ "krava22", "config2:8,18,48,58\n", },
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{ "krava23", "config2:28-29,38\n", },
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};
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/* Simulated users input. */
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static struct parse_events_term test_terms[] = {
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{
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.config = (char *) "krava01",
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.val.num = 15,
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.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
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.type_term = PARSE_EVENTS__TERM_TYPE_USER,
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},
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{
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.config = (char *) "krava02",
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.val.num = 170,
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.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
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.type_term = PARSE_EVENTS__TERM_TYPE_USER,
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},
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{
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.config = (char *) "krava03",
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.val.num = 1,
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.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
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.type_term = PARSE_EVENTS__TERM_TYPE_USER,
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},
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{
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.config = (char *) "krava11",
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.val.num = 27,
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.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
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.type_term = PARSE_EVENTS__TERM_TYPE_USER,
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},
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{
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.config = (char *) "krava12",
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.val.num = 1,
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.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
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.type_term = PARSE_EVENTS__TERM_TYPE_USER,
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},
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{
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.config = (char *) "krava13",
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.val.num = 2,
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.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
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.type_term = PARSE_EVENTS__TERM_TYPE_USER,
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},
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{
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.config = (char *) "krava21",
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.val.num = 119,
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.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
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.type_term = PARSE_EVENTS__TERM_TYPE_USER,
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},
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{
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.config = (char *) "krava22",
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.val.num = 11,
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.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
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.type_term = PARSE_EVENTS__TERM_TYPE_USER,
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},
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{
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.config = (char *) "krava23",
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.val.num = 2,
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.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
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.type_term = PARSE_EVENTS__TERM_TYPE_USER,
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},
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};
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/*
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* Prepare format directory data, exported by kernel
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* at /sys/bus/event_source/devices/<dev>/format.
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*/
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static char *test_format_dir_get(void)
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{
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static char dir[PATH_MAX];
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unsigned int i;
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snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX");
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if (!mkdtemp(dir))
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return NULL;
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for (i = 0; i < ARRAY_SIZE(test_formats); i++) {
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static char name[PATH_MAX];
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struct test_format *format = &test_formats[i];
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FILE *file;
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scnprintf(name, PATH_MAX, "%s/%s", dir, format->name);
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file = fopen(name, "w");
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if (!file)
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return NULL;
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if (1 != fwrite(format->value, strlen(format->value), 1, file))
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break;
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fclose(file);
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}
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return dir;
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}
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/* Cleanup format directory. */
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static int test_format_dir_put(char *dir)
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{
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char buf[PATH_MAX];
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snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir);
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if (system(buf))
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return -1;
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snprintf(buf, PATH_MAX, "rmdir %s\n", dir);
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return system(buf);
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}
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static struct list_head *test_terms_list(void)
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{
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static LIST_HEAD(terms);
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(test_terms); i++)
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list_add_tail(&test_terms[i].list, &terms);
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return &terms;
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}
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int test__pmu(struct test *test __maybe_unused, int subtest __maybe_unused)
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{
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char *format = test_format_dir_get();
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LIST_HEAD(formats);
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struct list_head *terms = test_terms_list();
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int ret;
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if (!format)
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return -EINVAL;
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do {
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struct perf_event_attr attr;
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memset(&attr, 0, sizeof(attr));
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ret = perf_pmu__format_parse(format, &formats);
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if (ret)
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break;
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ret = perf_pmu__config_terms(&formats, &attr, terms,
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false, NULL);
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if (ret)
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break;
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ret = -EINVAL;
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if (attr.config != 0xc00000000002a823)
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break;
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if (attr.config1 != 0x8000400000000145)
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break;
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if (attr.config2 != 0x0400000020041d07)
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break;
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ret = 0;
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} while (0);
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perf_pmu__del_formats(&formats);
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test_format_dir_put(format);
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return ret;
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}
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