tools/testing/selftests/powerpc/pmu/event_code_tests/blacklisted_events_test.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/powerpc/pmu/event_code_tests/blacklisted_events_test.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/powerpc/pmu/event_code_tests/blacklisted_events_test.c
Extension
.c
Size
3043 bytes
Lines
133
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2022, Athira Rajeev, IBM Corp.
 */

#include <stdio.h>
#include <sys/prctl.h>
#include <limits.h>
#include "../event.h"
#include "../sampling_tests/misc.h"

#define PM_DTLB_MISS_16G 0x1c058
#define PM_DERAT_MISS_2M 0x1c05a
#define PM_DTLB_MISS_2M 0x1c05c
#define PM_MRK_DTLB_MISS_1G 0x1d15c
#define PM_DTLB_MISS_4K 0x2c056
#define PM_DERAT_MISS_1G 0x2c05a
#define PM_MRK_DERAT_MISS_2M 0x2d152
#define PM_MRK_DTLB_MISS_4K  0x2d156
#define PM_MRK_DTLB_MISS_16G 0x2d15e
#define PM_DTLB_MISS_64K 0x3c056
#define PM_MRK_DERAT_MISS_1G 0x3d152
#define PM_MRK_DTLB_MISS_64K 0x3d156
#define PM_DISP_HELD_SYNC_HOLD 0x4003c
#define PM_DTLB_MISS_16M 0x4c056
#define PM_DTLB_MISS_1G 0x4c05a
#define PM_MRK_DTLB_MISS_16M 0x4c15e
#define PM_MRK_ST_DONE_L2 0x10134
#define PM_RADIX_PWC_L1_HIT 0x1f056
#define PM_FLOP_CMPL 0x100f4
#define PM_MRK_NTF_FIN 0x20112
#define PM_RADIX_PWC_L2_HIT 0x2d024
#define PM_IFETCH_THROTTLE 0x3405e
#define PM_MRK_L2_TM_ST_ABORT_SISTER 0x3e15c
#define PM_RADIX_PWC_L3_HIT 0x3f056
#define PM_RUN_CYC_SMT2_MODE 0x3006c
#define PM_TM_TX_PASS_RUN_INST 0x4e014

#define PVR_POWER9_CUMULUS 0x00002000

int blacklist_events_dd21[] = {
	PM_MRK_ST_DONE_L2,
	PM_RADIX_PWC_L1_HIT,
	PM_FLOP_CMPL,
	PM_MRK_NTF_FIN,
	PM_RADIX_PWC_L2_HIT,
	PM_IFETCH_THROTTLE,
	PM_MRK_L2_TM_ST_ABORT_SISTER,
	PM_RADIX_PWC_L3_HIT,
	PM_RUN_CYC_SMT2_MODE,
	PM_TM_TX_PASS_RUN_INST,
	PM_DISP_HELD_SYNC_HOLD,
};

int blacklist_events_dd22[] = {
	PM_DTLB_MISS_16G,
	PM_DERAT_MISS_2M,
	PM_DTLB_MISS_2M,
	PM_MRK_DTLB_MISS_1G,
	PM_DTLB_MISS_4K,
	PM_DERAT_MISS_1G,
	PM_MRK_DERAT_MISS_2M,
	PM_MRK_DTLB_MISS_4K,
	PM_MRK_DTLB_MISS_16G,
	PM_DTLB_MISS_64K,
	PM_MRK_DERAT_MISS_1G,
	PM_MRK_DTLB_MISS_64K,
	PM_DISP_HELD_SYNC_HOLD,
	PM_DTLB_MISS_16M,
	PM_DTLB_MISS_1G,
	PM_MRK_DTLB_MISS_16M,
};

int pvr_min;

/*
 * check for power9 support for 2.1 and
 * 2.2 model where blacklist is applicable.
 */
int check_for_power9_version(void)
{
	pvr_min = PVR_MIN(mfspr(SPRN_PVR));

	SKIP_IF(PVR_VER(pvr) != POWER9);
	SKIP_IF(!(pvr & PVR_POWER9_CUMULUS));

	SKIP_IF(!(3 - pvr_min));

	return 0;
}

Annotation

Implementation Notes