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Fri, 7 Aug 2020 10:11:25 +0000 (GMT) From: Athira Rajeev To: mpe@ellerman.id.au, acme@kernel.org, jolsa@kernel.org Subject: [PATCH V6 2/2] tools/perf: Add perf tools support for extended regs in power10 Date: Fri, 7 Aug 2020 06:11:19 -0400 Message-Id: <1596795079-23601-3-git-send-email-atrajeev@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1596795079-23601-1-git-send-email-atrajeev@linux.vnet.ibm.com> References: <1596795079-23601-1-git-send-email-atrajeev@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-08-07_05:2020-08-06, 2020-08-07 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 mlxlogscore=999 clxscore=1015 phishscore=0 spamscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008070071 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ravi.bangoria@linux.ibm.com, mikey@neuling.org, maddy@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, kjain@linux.ibm.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Added support for supported regs which are new in power10 ( MMCR3, SIER2, SIER3 ) to sample_reg_mask in the tool side to use with `-I?` option. Also added PVR check to send extended mask for power10 at kernel while capturing extended regs in each sample. Signed-off-by: Athira Rajeev Reviewed-by: Kajol Jain Reviewed-and-tested-by: Ravi Bangoria --- tools/arch/powerpc/include/uapi/asm/perf_regs.h | 6 ++++++ tools/perf/arch/powerpc/include/perf_regs.h | 3 +++ tools/perf/arch/powerpc/util/perf_regs.c | 6 ++++++ 3 files changed, 15 insertions(+) diff --git a/tools/arch/powerpc/include/uapi/asm/perf_regs.h b/tools/arch/powerpc/include/uapi/asm/perf_regs.h index 225c64c..bdf5f10 100644 --- a/tools/arch/powerpc/include/uapi/asm/perf_regs.h +++ b/tools/arch/powerpc/include/uapi/asm/perf_regs.h @@ -52,6 +52,9 @@ enum perf_event_powerpc_regs { PERF_REG_POWERPC_MMCR0, PERF_REG_POWERPC_MMCR1, PERF_REG_POWERPC_MMCR2, + PERF_REG_POWERPC_MMCR3, + PERF_REG_POWERPC_SIER2, + PERF_REG_POWERPC_SIER3, /* Max regs without the extended regs */ PERF_REG_POWERPC_MAX = PERF_REG_POWERPC_MMCRA + 1, }; @@ -60,6 +63,9 @@ enum perf_event_powerpc_regs { /* PERF_REG_EXTENDED_MASK value for CPU_FTR_ARCH_300 */ #define PERF_REG_PMU_MASK_300 (((1ULL << (PERF_REG_POWERPC_MMCR2 + 1)) - 1) - PERF_REG_PMU_MASK) +/* PERF_REG_EXTENDED_MASK value for CPU_FTR_ARCH_31 */ +#define PERF_REG_PMU_MASK_31 (((1ULL << (PERF_REG_POWERPC_SIER3 + 1)) - 1) - PERF_REG_PMU_MASK) #define PERF_REG_MAX_ISA_300 (PERF_REG_POWERPC_MMCR2 + 1) +#define PERF_REG_MAX_ISA_31 (PERF_REG_POWERPC_SIER3 + 1) #endif /* _UAPI_ASM_POWERPC_PERF_REGS_H */ diff --git a/tools/perf/arch/powerpc/include/perf_regs.h b/tools/perf/arch/powerpc/include/perf_regs.h index 46ed00d..63f3ac9 100644 --- a/tools/perf/arch/powerpc/include/perf_regs.h +++ b/tools/perf/arch/powerpc/include/perf_regs.h @@ -68,6 +68,9 @@ [PERF_REG_POWERPC_MMCR0] = "mmcr0", [PERF_REG_POWERPC_MMCR1] = "mmcr1", [PERF_REG_POWERPC_MMCR2] = "mmcr2", + [PERF_REG_POWERPC_MMCR3] = "mmcr3", + [PERF_REG_POWERPC_SIER2] = "sier2", + [PERF_REG_POWERPC_SIER3] = "sier3", }; static inline const char *perf_reg_name(int id) diff --git a/tools/perf/arch/powerpc/util/perf_regs.c b/tools/perf/arch/powerpc/util/perf_regs.c index d64ba0c..2b6d470 100644 --- a/tools/perf/arch/powerpc/util/perf_regs.c +++ b/tools/perf/arch/powerpc/util/perf_regs.c @@ -14,6 +14,7 @@ #include #define PVR_POWER9 0x004E +#define PVR_POWER10 0x0080 const struct sample_reg sample_reg_masks[] = { SMPL_REG(r0, PERF_REG_POWERPC_R0), @@ -64,6 +65,9 @@ SMPL_REG(mmcr0, PERF_REG_POWERPC_MMCR0), SMPL_REG(mmcr1, PERF_REG_POWERPC_MMCR1), SMPL_REG(mmcr2, PERF_REG_POWERPC_MMCR2), + SMPL_REG(mmcr3, PERF_REG_POWERPC_MMCR3), + SMPL_REG(sier2, PERF_REG_POWERPC_SIER2), + SMPL_REG(sier3, PERF_REG_POWERPC_SIER3), SMPL_REG_END }; @@ -194,6 +198,8 @@ uint64_t arch__intr_reg_mask(void) version = (((mfspr(SPRN_PVR)) >> 16) & 0xFFFF); if (version == PVR_POWER9) extended_mask = PERF_REG_PMU_MASK_300; + else if (version == PVR_POWER10) + extended_mask = PERF_REG_PMU_MASK_31; else return mask; -- 1.8.3.1