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  1/*
  2 * Copyright 2019 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 *
 22 */
 23
 24#include <linux/perf_event.h>
 25#include <linux/init.h>
 26#include "amdgpu.h"
 27#include "amdgpu_pmu.h"
 28
 29#define PMU_NAME_SIZE 32
 30#define NUM_FORMATS_AMDGPU_PMU		4
 31#define NUM_FORMATS_DF_VEGA20		3
 32#define NUM_EVENTS_DF_VEGA20		8
 33#define NUM_EVENT_TYPES_VEGA20		1
 34#define NUM_EVENTS_VEGA20_XGMI		2
 35#define NUM_EVENTS_VEGA20_MAX		NUM_EVENTS_VEGA20_XGMI
 36#define NUM_EVENT_TYPES_ARCTURUS	1
 37#define NUM_EVENTS_ARCTURUS_XGMI	6
 38#define NUM_EVENTS_ARCTURUS_MAX		NUM_EVENTS_ARCTURUS_XGMI
 39
 40struct amdgpu_pmu_event_attribute {
 41	struct device_attribute attr;
 42	const char *event_str;
 43	unsigned int type;
 44};
 45
 46/* record to keep track of pmu entry per pmu type per device */
 47struct amdgpu_pmu_entry {
 48	struct list_head entry;
 49	struct amdgpu_device *adev;
 50	struct pmu pmu;
 51	unsigned int pmu_perf_type;
 52	char *pmu_type_name;
 53	char *pmu_file_prefix;
 54	struct attribute_group fmt_attr_group;
 55	struct amdgpu_pmu_event_attribute *fmt_attr;
 56	struct attribute_group evt_attr_group;
 57	struct amdgpu_pmu_event_attribute *evt_attr;
 58};
 59
 60static ssize_t amdgpu_pmu_event_show(struct device *dev,
 61				struct device_attribute *attr, char *buf)
 62{
 63	struct amdgpu_pmu_event_attribute *amdgpu_pmu_attr;
 64
 65	amdgpu_pmu_attr = container_of(attr, struct amdgpu_pmu_event_attribute,
 66									attr);
 67
 68	if (!amdgpu_pmu_attr->type)
 69		return sprintf(buf, "%s\n", amdgpu_pmu_attr->event_str);
 70
 71	return sprintf(buf, "%s,type=0x%x\n",
 72			amdgpu_pmu_attr->event_str, amdgpu_pmu_attr->type);
 73}
 74
 75static LIST_HEAD(amdgpu_pmu_list);
 76
 77
 78struct amdgpu_pmu_attr {
 79	const char *name;
 80	const char *config;
 81};
 82
 83struct amdgpu_pmu_type {
 84	const unsigned int type;
 85	const unsigned int num_of_type;
 86};
 87
 88struct amdgpu_pmu_config {
 89	struct amdgpu_pmu_attr *formats;
 90	unsigned int num_formats;
 91	struct amdgpu_pmu_attr *events;
 92	unsigned int num_events;
 93	struct amdgpu_pmu_type *types;
 94	unsigned int num_types;
 95};
 96
 97/*
 98 * Events fall under two categories:
 99 *  - PMU typed
100 *    Events in /sys/bus/event_source/devices/amdgpu_<pmu_type>_<dev_num> have
101 *    performance counter operations handled by one IP <pmu_type>.  Formats and
102 *    events should be defined by <pmu_type>_<asic_type>_formats and
103 *    <pmu_type>_<asic_type>_events respectively.
104 *
105 *  - Event config typed
106 *    Events in /sys/bus/event_source/devices/amdgpu_<dev_num> have performance
107 *    counter operations that can be handled by multiple IPs dictated by their
108 *    "type" format field.  Formats and events should be defined by
109 *    amdgpu_pmu_formats and <asic_type>_events respectively.  Format field
110 *    "type" is generated in amdgpu_pmu_event_show and defined in
111 *    <asic_type>_event_config_types.
112 */
113
114static struct amdgpu_pmu_attr amdgpu_pmu_formats[NUM_FORMATS_AMDGPU_PMU] = {
115	{ .name = "event", .config = "config:0-7" },
116	{ .name = "instance", .config = "config:8-15" },
117	{ .name = "umask", .config = "config:16-23"},
118	{ .name = "type", .config = "config:56-63"}
119};
120
121/* Vega20 events */
122static struct amdgpu_pmu_attr vega20_events[NUM_EVENTS_VEGA20_MAX] = {
123	{ .name = "xgmi_link0_data_outbound",
124			.config = "event=0x7,instance=0x46,umask=0x2" },
125	{ .name = "xgmi_link1_data_outbound",
126			.config = "event=0x7,instance=0x47,umask=0x2" }
127};
128
129static struct amdgpu_pmu_type vega20_types[NUM_EVENT_TYPES_VEGA20] = {
130	{ .type = AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI,
131					.num_of_type = NUM_EVENTS_VEGA20_XGMI }
132};
133
134static struct amdgpu_pmu_config vega20_config = {
135	.formats = amdgpu_pmu_formats,
136	.num_formats = ARRAY_SIZE(amdgpu_pmu_formats),
137	.events = vega20_events,
138	.num_events = ARRAY_SIZE(vega20_events),
139	.types = vega20_types,
140	.num_types = ARRAY_SIZE(vega20_types)
141};
142
143/* Vega20 data fabric (DF) events */
144static struct amdgpu_pmu_attr df_vega20_formats[NUM_FORMATS_DF_VEGA20] = {
145	{ .name = "event", .config = "config:0-7" },
146	{ .name = "instance", .config = "config:8-15" },
147	{ .name = "umask", .config = "config:16-23"}
148};
149
150static struct amdgpu_pmu_attr df_vega20_events[NUM_EVENTS_DF_VEGA20] = {
151	{ .name = "cake0_pcsout_txdata",
152			.config = "event=0x7,instance=0x46,umask=0x2" },
153	{ .name = "cake1_pcsout_txdata",
154			.config = "event=0x7,instance=0x47,umask=0x2" },
155	{ .name = "cake0_pcsout_txmeta",
156			.config = "event=0x7,instance=0x46,umask=0x4" },
157	{ .name = "cake1_pcsout_txmeta",
158			.config = "event=0x7,instance=0x47,umask=0x4" },
159	{ .name = "cake0_ftiinstat_reqalloc",
160			.config = "event=0xb,instance=0x46,umask=0x4" },
161	{ .name = "cake1_ftiinstat_reqalloc",
162			.config = "event=0xb,instance=0x47,umask=0x4" },
163	{ .name = "cake0_ftiinstat_rspalloc",
164			.config = "event=0xb,instance=0x46,umask=0x8" },
165	{ .name = "cake1_ftiinstat_rspalloc",
166			.config = "event=0xb,instance=0x47,umask=0x8" }
167};
168
169static struct amdgpu_pmu_config df_vega20_config = {
170	.formats = df_vega20_formats,
171	.num_formats = ARRAY_SIZE(df_vega20_formats),
172	.events = df_vega20_events,
173	.num_events = ARRAY_SIZE(df_vega20_events),
174	.types = NULL,
175	.num_types = 0
176};
177
178/* Arcturus events */
179static struct amdgpu_pmu_attr arcturus_events[NUM_EVENTS_ARCTURUS_MAX] = {
180	{ .name = "xgmi_link0_data_outbound",
181			.config = "event=0x7,instance=0x4b,umask=0x2" },
182	{ .name = "xgmi_link1_data_outbound",
183			.config = "event=0x7,instance=0x4c,umask=0x2" },
184	{ .name = "xgmi_link2_data_outbound",
185			.config = "event=0x7,instance=0x4d,umask=0x2" },
186	{ .name = "xgmi_link3_data_outbound",
187			.config = "event=0x7,instance=0x4e,umask=0x2" },
188	{ .name = "xgmi_link4_data_outbound",
189			.config = "event=0x7,instance=0x4f,umask=0x2" },
190	{ .name = "xgmi_link5_data_outbound",
191			.config = "event=0x7,instance=0x50,umask=0x2" }
192};
193
194static struct amdgpu_pmu_type arcturus_types[NUM_EVENT_TYPES_ARCTURUS] = {
195	{ .type = AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI,
196				.num_of_type = NUM_EVENTS_ARCTURUS_XGMI }
197};
198
199static struct amdgpu_pmu_config arcturus_config = {
200	.formats = amdgpu_pmu_formats,
201	.num_formats = ARRAY_SIZE(amdgpu_pmu_formats),
202	.events = arcturus_events,
203	.num_events = ARRAY_SIZE(arcturus_events),
204	.types = arcturus_types,
205	.num_types = ARRAY_SIZE(arcturus_types)
206};
207
208/* initialize perf counter */
209static int amdgpu_perf_event_init(struct perf_event *event)
210{
211	struct hw_perf_event *hwc = &event->hw;
212
213	/* test the event attr type check for PMU enumeration */
214	if (event->attr.type != event->pmu->type)
215		return -ENOENT;
216
217	/* update the hw_perf_event struct with config data */
218	hwc->config = event->attr.config;
219	hwc->config_base = AMDGPU_PMU_PERF_TYPE_NONE;
220
221	return 0;
222}
223
224/* start perf counter */
225static void amdgpu_perf_start(struct perf_event *event, int flags)
226{
227	struct hw_perf_event *hwc = &event->hw;
228	struct amdgpu_pmu_entry *pe = container_of(event->pmu,
229						  struct amdgpu_pmu_entry,
230						  pmu);
231	int target_cntr = 0;
232
233	if (WARN_ON_ONCE(!(hwc->state & PERF_HES_STOPPED)))
234		return;
235
236	if ((!pe->adev->df.funcs) ||
237	    (!pe->adev->df.funcs->pmc_start))
238		return;
239
240	WARN_ON_ONCE(!(hwc->state & PERF_HES_UPTODATE));
241	hwc->state = 0;
242
243	switch (hwc->config_base) {
244	case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
245	case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
246		if (!(flags & PERF_EF_RELOAD)) {
247			target_cntr = pe->adev->df.funcs->pmc_start(pe->adev,
248						hwc->config, 0 /* unused */,
249						1 /* add counter */);
250			if (target_cntr < 0)
251				break;
252
253			hwc->idx = target_cntr;
254		}
255
256		pe->adev->df.funcs->pmc_start(pe->adev, hwc->config,
257								hwc->idx, 0);
258		break;
259	default:
260		break;
261	}
262
263	perf_event_update_userpage(event);
264}
265
266/* read perf counter */
267static void amdgpu_perf_read(struct perf_event *event)
268{
269	struct hw_perf_event *hwc = &event->hw;
270	struct amdgpu_pmu_entry *pe = container_of(event->pmu,
271						  struct amdgpu_pmu_entry,
272						  pmu);
273	u64 count, prev;
274
275	if ((!pe->adev->df.funcs) ||
276	    (!pe->adev->df.funcs->pmc_get_count))
277		return;
278
279	prev = local64_read(&hwc->prev_count);
280	do {
281		switch (hwc->config_base) {
282		case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
283		case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
284			pe->adev->df.funcs->pmc_get_count(pe->adev,
285						hwc->config, hwc->idx, &count);
286			break;
287		default:
288			count = 0;
289			break;
290		}
291	} while (!local64_try_cmpxchg(&hwc->prev_count, &prev, count));
292
293	local64_add(count - prev, &event->count);
294}
295
296/* stop perf counter */
297static void amdgpu_perf_stop(struct perf_event *event, int flags)
298{
299	struct hw_perf_event *hwc = &event->hw;
300	struct amdgpu_pmu_entry *pe = container_of(event->pmu,
301						  struct amdgpu_pmu_entry,
302						  pmu);
303
304	if (hwc->state & PERF_HES_UPTODATE)
305		return;
306
307	if ((!pe->adev->df.funcs) ||
308	    (!pe->adev->df.funcs->pmc_stop))
309		return;
310
311	switch (hwc->config_base) {
312	case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
313	case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
314		pe->adev->df.funcs->pmc_stop(pe->adev, hwc->config, hwc->idx,
315									0);
316		break;
317	default:
318		break;
319	}
320
321	WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED);
322	hwc->state |= PERF_HES_STOPPED;
323
324	if (hwc->state & PERF_HES_UPTODATE)
325		return;
326
327	amdgpu_perf_read(event);
328	hwc->state |= PERF_HES_UPTODATE;
329}
330
331/* add perf counter */
332static int amdgpu_perf_add(struct perf_event *event, int flags)
333{
334	struct hw_perf_event *hwc = &event->hw;
335	int retval = 0, target_cntr;
336	struct amdgpu_pmu_entry *pe = container_of(event->pmu,
337						  struct amdgpu_pmu_entry,
338						  pmu);
339
340	if ((!pe->adev->df.funcs) ||
341	    (!pe->adev->df.funcs->pmc_start))
342		return -EINVAL;
343
344	switch (pe->pmu_perf_type) {
345	case AMDGPU_PMU_PERF_TYPE_DF:
346		hwc->config_base = AMDGPU_PMU_EVENT_CONFIG_TYPE_DF;
347		break;
348	case AMDGPU_PMU_PERF_TYPE_ALL:
349		hwc->config_base = (hwc->config >>
350					AMDGPU_PMU_EVENT_CONFIG_TYPE_SHIFT) &
351					AMDGPU_PMU_EVENT_CONFIG_TYPE_MASK;
352		break;
353	}
354
355	event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED;
356
357	switch (hwc->config_base) {
358	case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
359	case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
360		target_cntr = pe->adev->df.funcs->pmc_start(pe->adev,
361						hwc->config, 0 /* unused */,
362						1 /* add counter */);
363		if (target_cntr < 0)
364			retval = target_cntr;
365		else
366			hwc->idx = target_cntr;
367
368		break;
369	default:
370		return 0;
371	}
372
373	if (retval)
374		return retval;
375
376	if (flags & PERF_EF_START)
377		amdgpu_perf_start(event, PERF_EF_RELOAD);
378
379	return retval;
380}
381
382/* delete perf counter  */
383static void amdgpu_perf_del(struct perf_event *event, int flags)
384{
385	struct hw_perf_event *hwc = &event->hw;
386	struct amdgpu_pmu_entry *pe = container_of(event->pmu,
387						  struct amdgpu_pmu_entry,
388						  pmu);
389	if ((!pe->adev->df.funcs) ||
390	    (!pe->adev->df.funcs->pmc_stop))
391		return;
392
393	amdgpu_perf_stop(event, PERF_EF_UPDATE);
394
395	switch (hwc->config_base) {
396	case AMDGPU_PMU_EVENT_CONFIG_TYPE_DF:
397	case AMDGPU_PMU_EVENT_CONFIG_TYPE_XGMI:
398		pe->adev->df.funcs->pmc_stop(pe->adev, hwc->config, hwc->idx,
399									1);
400		break;
401	default:
402		break;
403	}
404
405	perf_event_update_userpage(event);
406}
407
408static void amdgpu_pmu_create_event_attrs_by_type(
409				struct attribute_group *attr_group,
410				struct amdgpu_pmu_event_attribute *pmu_attr,
411				struct amdgpu_pmu_attr events[],
412				int s_offset,
413				int e_offset,
414				unsigned int type)
415{
416	int i;
417
418	pmu_attr += s_offset;
419
420	for (i = s_offset; i < e_offset; i++) {
421		attr_group->attrs[i] = &pmu_attr->attr.attr;
422		sysfs_attr_init(&pmu_attr->attr.attr);
423		pmu_attr->attr.attr.name = events[i].name;
424		pmu_attr->attr.attr.mode = 0444;
425		pmu_attr->attr.show = amdgpu_pmu_event_show;
426		pmu_attr->event_str = events[i].config;
427		pmu_attr->type = type;
428		pmu_attr++;
429	}
430}
431
432static void amdgpu_pmu_create_attrs(struct attribute_group *attr_group,
433				struct amdgpu_pmu_event_attribute *pmu_attr,
434				struct amdgpu_pmu_attr events[],
435				int num_events)
436{
437	amdgpu_pmu_create_event_attrs_by_type(attr_group, pmu_attr, events, 0,
438				num_events, AMDGPU_PMU_EVENT_CONFIG_TYPE_NONE);
439}
440
441
442static int amdgpu_pmu_alloc_pmu_attrs(
443				struct attribute_group *fmt_attr_group,
444				struct amdgpu_pmu_event_attribute **fmt_attr,
445				struct attribute_group *evt_attr_group,
446				struct amdgpu_pmu_event_attribute **evt_attr,
447				struct amdgpu_pmu_config *config)
448{
449	*fmt_attr = kcalloc(config->num_formats, sizeof(**fmt_attr),
450								GFP_KERNEL);
451
452	if (!(*fmt_attr))
453		return -ENOMEM;
454
455	fmt_attr_group->attrs = kcalloc(config->num_formats + 1,
456				sizeof(*fmt_attr_group->attrs), GFP_KERNEL);
457
458	if (!fmt_attr_group->attrs)
459		goto err_fmt_attr_grp;
460
461	*evt_attr = kcalloc(config->num_events, sizeof(**evt_attr), GFP_KERNEL);
462
463	if (!(*evt_attr))
464		goto err_evt_attr;
465
466	evt_attr_group->attrs = kcalloc(config->num_events + 1,
467				sizeof(*evt_attr_group->attrs), GFP_KERNEL);
468
469	if (!evt_attr_group->attrs)
470		goto err_evt_attr_grp;
471
472	return 0;
473err_evt_attr_grp:
474	kfree(*evt_attr);
475err_evt_attr:
476	kfree(fmt_attr_group->attrs);
477err_fmt_attr_grp:
478	kfree(*fmt_attr);
479	return -ENOMEM;
480}
481
482/* init pmu tracking per pmu type */
483static int init_pmu_entry_by_type_and_add(struct amdgpu_pmu_entry *pmu_entry,
484			struct amdgpu_pmu_config *config)
485{
486	const struct attribute_group *attr_groups[] = {
487		&pmu_entry->fmt_attr_group,
488		&pmu_entry->evt_attr_group,
489		NULL
490	};
491	char pmu_name[PMU_NAME_SIZE];
492	int ret = 0, total_num_events = 0;
493
494	pmu_entry->pmu = (struct pmu){
495		.event_init = amdgpu_perf_event_init,
496		.add = amdgpu_perf_add,
497		.del = amdgpu_perf_del,
498		.start = amdgpu_perf_start,
499		.stop = amdgpu_perf_stop,
500		.read = amdgpu_perf_read,
501		.task_ctx_nr = perf_invalid_context,
502	};
503
504	ret = amdgpu_pmu_alloc_pmu_attrs(&pmu_entry->fmt_attr_group,
505					&pmu_entry->fmt_attr,
506					&pmu_entry->evt_attr_group,
507					&pmu_entry->evt_attr,
508					config);
509
510	if (ret)
511		goto err_out;
512
513	amdgpu_pmu_create_attrs(&pmu_entry->fmt_attr_group, pmu_entry->fmt_attr,
514					config->formats, config->num_formats);
515
516	if (pmu_entry->pmu_perf_type == AMDGPU_PMU_PERF_TYPE_ALL) {
517		int i;
518
519		for (i = 0; i < config->num_types; i++) {
520			amdgpu_pmu_create_event_attrs_by_type(
521					&pmu_entry->evt_attr_group,
522					pmu_entry->evt_attr,
523					config->events,
524					total_num_events,
525					total_num_events +
526						config->types[i].num_of_type,
527					config->types[i].type);
528			total_num_events += config->types[i].num_of_type;
529		}
530	} else {
531		amdgpu_pmu_create_attrs(&pmu_entry->evt_attr_group,
532					pmu_entry->evt_attr,
533					config->events, config->num_events);
534		total_num_events = config->num_events;
535	}
536
537	pmu_entry->pmu.attr_groups = kmemdup(attr_groups, sizeof(attr_groups),
538								GFP_KERNEL);
539
540	if (!pmu_entry->pmu.attr_groups) {
541		ret = -ENOMEM;
542		goto err_attr_group;
543	}
544
545	snprintf(pmu_name, PMU_NAME_SIZE, "%s_%d", pmu_entry->pmu_file_prefix,
546				adev_to_drm(pmu_entry->adev)->primary->index);
547
548	ret = perf_pmu_register(&pmu_entry->pmu, pmu_name, -1);
549
550	if (ret)
551		goto err_register;
552
553	if (pmu_entry->pmu_perf_type != AMDGPU_PMU_PERF_TYPE_ALL)
554		pr_info("Detected AMDGPU %s Counters. # of Counters = %d.\n",
555				pmu_entry->pmu_type_name, total_num_events);
556	else
557		pr_info("Detected AMDGPU %d Perf Events.\n", total_num_events);
558
559
560	list_add_tail(&pmu_entry->entry, &amdgpu_pmu_list);
561
562	return 0;
563err_register:
564	kfree(pmu_entry->pmu.attr_groups);
565err_attr_group:
566	kfree(pmu_entry->fmt_attr_group.attrs);
567	kfree(pmu_entry->fmt_attr);
568	kfree(pmu_entry->evt_attr_group.attrs);
569	kfree(pmu_entry->evt_attr);
570err_out:
571	pr_warn("Error initializing AMDGPU %s PMUs.\n",
572						pmu_entry->pmu_type_name);
573	return ret;
574}
575
576/* destroy all pmu data associated with target device */
577void amdgpu_pmu_fini(struct amdgpu_device *adev)
578{
579	struct amdgpu_pmu_entry *pe, *temp;
580
581	list_for_each_entry_safe(pe, temp, &amdgpu_pmu_list, entry) {
582		if (pe->adev != adev)
583			continue;
584		list_del(&pe->entry);
585		perf_pmu_unregister(&pe->pmu);
586		kfree(pe->pmu.attr_groups);
587		kfree(pe->fmt_attr_group.attrs);
588		kfree(pe->fmt_attr);
589		kfree(pe->evt_attr_group.attrs);
590		kfree(pe->evt_attr);
591		kfree(pe);
592	}
593}
594
595static struct amdgpu_pmu_entry *create_pmu_entry(struct amdgpu_device *adev,
596						unsigned int pmu_type,
597						char *pmu_type_name,
598						char *pmu_file_prefix)
599{
600	struct amdgpu_pmu_entry *pmu_entry;
601
602	pmu_entry = kzalloc(sizeof(struct amdgpu_pmu_entry), GFP_KERNEL);
603
604	if (!pmu_entry)
605		return pmu_entry;
606
607	pmu_entry->adev = adev;
608	pmu_entry->fmt_attr_group.name = "format";
609	pmu_entry->fmt_attr_group.attrs = NULL;
610	pmu_entry->evt_attr_group.name = "events";
611	pmu_entry->evt_attr_group.attrs = NULL;
612	pmu_entry->pmu_perf_type = pmu_type;
613	pmu_entry->pmu_type_name = pmu_type_name;
614	pmu_entry->pmu_file_prefix = pmu_file_prefix;
615
616	return pmu_entry;
617}
618
619/* init amdgpu_pmu */
620int amdgpu_pmu_init(struct amdgpu_device *adev)
621{
622	int ret = 0;
623	struct amdgpu_pmu_entry *pmu_entry, *pmu_entry_df;
624
625	switch (adev->asic_type) {
626	case CHIP_VEGA20:
627		pmu_entry_df = create_pmu_entry(adev, AMDGPU_PMU_PERF_TYPE_DF,
628						"DF", "amdgpu_df");
629
630		if (!pmu_entry_df)
631			return -ENOMEM;
632
633		ret = init_pmu_entry_by_type_and_add(pmu_entry_df,
634							&df_vega20_config);
635
636		if (ret) {
637			kfree(pmu_entry_df);
638			return ret;
639		}
640
641		pmu_entry = create_pmu_entry(adev, AMDGPU_PMU_PERF_TYPE_ALL,
642						"", "amdgpu");
643
644		if (!pmu_entry) {
645			amdgpu_pmu_fini(adev);
646			return -ENOMEM;
647		}
648
649		ret = init_pmu_entry_by_type_and_add(pmu_entry,
650							&vega20_config);
651
652		if (ret) {
653			kfree(pmu_entry);
654			amdgpu_pmu_fini(adev);
655			return ret;
656		}
657
658		break;
659	case CHIP_ARCTURUS:
660		pmu_entry = create_pmu_entry(adev, AMDGPU_PMU_PERF_TYPE_ALL,
661						"", "amdgpu");
662		if (!pmu_entry)
663			return -ENOMEM;
664
665		ret = init_pmu_entry_by_type_and_add(pmu_entry,
666							&arcturus_config);
667
668		if (ret) {
669			kfree(pmu_entry);
670			return -ENOMEM;
671		}
672
673		break;
674
675	default:
676		return 0;
677	}
678
679	return ret;
680}