diff options
Diffstat (limited to 'arch/powerpc/perf')
24 files changed, 34 insertions, 122 deletions
diff --git a/arch/powerpc/perf/8xx-pmu.c b/arch/powerpc/perf/8xx-pmu.c index e38f74e9e7a4..19124b0b171a 100644 --- a/arch/powerpc/perf/8xx-pmu.c +++ b/arch/powerpc/perf/8xx-pmu.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance event support - PPC 8xx * * Copyright 2016 Christophe Leroy, CS Systemes d'Information - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> diff --git a/arch/powerpc/perf/bhrb.S b/arch/powerpc/perf/bhrb.S index d85f9a58ddbc..1aa3259716b8 100644 --- a/arch/powerpc/perf/bhrb.S +++ b/arch/powerpc/perf/bhrb.S @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Basic assembly code to read BHRB entries * * Copyright 2013 Anshuman Khandual, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <asm/ppc_asm.h> #include <asm/ppc-opcode.h> diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c index 0af051a1974e..c84bbd4298a0 100644 --- a/arch/powerpc/perf/callchain.c +++ b/arch/powerpc/perf/callchain.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter callchain support - powerpc architecture code * * Copyright © 2009 Paul Mackerras, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> #include <linux/sched.h> diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index a66fb9c01c9e..ca92e01d0bd1 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance event support - powerpc architecture code * * Copyright 2008-2009 Paul Mackerras, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> #include <linux/sched.h> @@ -1850,6 +1846,7 @@ static int power_pmu_event_init(struct perf_event *event) int n; int err; struct cpu_hw_events *cpuhw; + u64 bhrb_filter; if (!ppmu) return -ENOENT; @@ -1955,13 +1952,14 @@ static int power_pmu_event_init(struct perf_event *event) err = power_check_constraints(cpuhw, events, cflags, n + 1); if (has_branch_stack(event)) { - cpuhw->bhrb_filter = ppmu->bhrb_filter_map( + bhrb_filter = ppmu->bhrb_filter_map( event->attr.branch_sample_type); - if (cpuhw->bhrb_filter == -1) { + if (bhrb_filter == -1) { put_cpu_var(cpu_hw_events); return -EOPNOTSUPP; } + cpuhw->bhrb_filter = bhrb_filter; } put_cpu_var(cpu_hw_events); diff --git a/arch/powerpc/perf/core-fsl-emb.c b/arch/powerpc/perf/core-fsl-emb.c index ba485844d506..e0e7e276bfd2 100644 --- a/arch/powerpc/perf/core-fsl-emb.c +++ b/arch/powerpc/perf/core-fsl-emb.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance event support - Freescale Embedded Performance Monitor * * Copyright 2008-2009 Paul Mackerras, IBM Corporation. * Copyright 2010 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> #include <linux/sched.h> diff --git a/arch/powerpc/perf/e500-pmu.c b/arch/powerpc/perf/e500-pmu.c index fb664929f5da..a59c33bed32a 100644 --- a/arch/powerpc/perf/e500-pmu.c +++ b/arch/powerpc/perf/e500-pmu.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for e500 family processors. * * Copyright 2008-2009 Paul Mackerras, IBM Corporation. * Copyright 2010 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/string.h> #include <linux/perf_event.h> diff --git a/arch/powerpc/perf/e6500-pmu.c b/arch/powerpc/perf/e6500-pmu.c index 3d877aa777b5..44ad65da82ed 100644 --- a/arch/powerpc/perf/e6500-pmu.c +++ b/arch/powerpc/perf/e6500-pmu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for e6500 family processors. * @@ -5,11 +6,6 @@ * Based on e500-pmu.c * Copyright 2013 Freescale Semiconductor, Inc. * Copyright 2008-2009 Paul Mackerras, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/string.h> diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index d2b8e6061933..faad5b315f49 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Hypervisor supplied "24x7" performance counter support * * Author: Cody P Schafer <cody@linux.vnet.ibm.com> * Copyright 2014 IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #define pr_fmt(fmt) "hv-24x7: " fmt diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c index 735e77b09cdb..6884d16ec19b 100644 --- a/arch/powerpc/perf/hv-gpci.c +++ b/arch/powerpc/perf/hv-gpci.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Hypervisor supplied "gpci" ("get performance counter info") performance * counter support * * Author: Cody P Schafer <cody@linux.vnet.ibm.com> * Copyright 2014 IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #define pr_fmt(fmt) "hv-gpci: " fmt diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index 31fa753e2eb2..3bdfc1e32096 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * In-Memory Collection (IMC) Performance Monitor counter support. * * Copyright (C) 2017 Madhavan Srinivasan, IBM Corporation. * (C) 2017 Anju T Sudhakar, IBM Corporation. * (C) 2017 Hemant K Shaw, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or later version. */ #include <linux/perf_event.h> #include <linux/slab.h> diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c index a6c24d866b2f..4c86da5eb28a 100644 --- a/arch/powerpc/perf/isa207-common.c +++ b/arch/powerpc/perf/isa207-common.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Common Performance counter support functions for PowerISA v2.07 processors. * * Copyright 2009 Paul Mackerras, IBM Corporation. * Copyright 2013 Michael Ellerman, IBM Corporation. * Copyright 2016 Madhavan Srinivasan, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include "isa207-common.h" diff --git a/arch/powerpc/perf/isa207-common.h b/arch/powerpc/perf/isa207-common.h index 91350f42a662..63fd4f3f6013 100644 --- a/arch/powerpc/perf/isa207-common.h +++ b/arch/powerpc/perf/isa207-common.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 2009 Paul Mackerras, IBM Corporation. * Copyright 2013 Michael Ellerman, IBM Corporation. * Copyright 2016 Madhavan Srinivasan, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or any later version. */ #ifndef _LINUX_POWERPC_PERF_ISA207_COMMON_H_ diff --git a/arch/powerpc/perf/mpc7450-pmu.c b/arch/powerpc/perf/mpc7450-pmu.c index d115c5635bf3..4d5ef92511d1 100644 --- a/arch/powerpc/perf/mpc7450-pmu.c +++ b/arch/powerpc/perf/mpc7450-pmu.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for MPC7450-family processors. * * Copyright 2008-2009 Paul Mackerras, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/string.h> #include <linux/perf_event.h> diff --git a/arch/powerpc/perf/perf_regs.c b/arch/powerpc/perf/perf_regs.c index 3349f3f8fe84..a213a0aa5d25 100644 --- a/arch/powerpc/perf/perf_regs.c +++ b/arch/powerpc/perf/perf_regs.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2016 Anju T, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/errno.h> diff --git a/arch/powerpc/perf/power5+-pmu.c b/arch/powerpc/perf/power5+-pmu.c index 9aa803504cb2..f8574547fc6b 100644 --- a/arch/powerpc/perf/power5+-pmu.c +++ b/arch/powerpc/perf/power5+-pmu.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for POWER5+/++ (not POWER5) processors. * * Copyright 2009 Paul Mackerras, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> #include <linux/perf_event.h> diff --git a/arch/powerpc/perf/power5-pmu.c b/arch/powerpc/perf/power5-pmu.c index 30cb13d081a9..da52ecab7c9a 100644 --- a/arch/powerpc/perf/power5-pmu.c +++ b/arch/powerpc/perf/power5-pmu.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for POWER5 (not POWER5++) processors. * * Copyright 2009 Paul Mackerras, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> #include <linux/perf_event.h> diff --git a/arch/powerpc/perf/power6-pmu.c b/arch/powerpc/perf/power6-pmu.c index 80ec48632cfe..3929cacf72ed 100644 --- a/arch/powerpc/perf/power6-pmu.c +++ b/arch/powerpc/perf/power6-pmu.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for POWER6 processors. * * Copyright 2008-2009 Paul Mackerras, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> #include <linux/perf_event.h> diff --git a/arch/powerpc/perf/power7-events-list.h b/arch/powerpc/perf/power7-events-list.h index 64f13d9260a6..6c2b7066490b 100644 --- a/arch/powerpc/perf/power7-events-list.h +++ b/arch/powerpc/perf/power7-events-list.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Performance counter support for POWER7 processors. * * Copyright 2013 Runzhen Wang, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ EVENT(PM_IC_DEMAND_L2_BR_ALL, 0x04898) diff --git a/arch/powerpc/perf/power7-pmu.c b/arch/powerpc/perf/power7-pmu.c index bb6efd5d2530..a137813a3076 100644 --- a/arch/powerpc/perf/power7-pmu.c +++ b/arch/powerpc/perf/power7-pmu.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for POWER7 processors. * * Copyright 2009 Paul Mackerras, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> #include <linux/perf_event.h> diff --git a/arch/powerpc/perf/power8-events-list.h b/arch/powerpc/perf/power8-events-list.h index 0f1d184627cc..2e9b75d9955f 100644 --- a/arch/powerpc/perf/power8-events-list.h +++ b/arch/powerpc/perf/power8-events-list.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Performance counter support for POWER8 processors. * * Copyright 2014 Sukadev Bhattiprolu, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ /* diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index bcc3409a06de..3a5fcc20ff31 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for POWER8 processors. * * Copyright 2009 Paul Mackerras, IBM Corporation. * Copyright 2013 Michael Ellerman, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #define pr_fmt(fmt) "power8-pmu: " fmt @@ -29,6 +25,7 @@ enum { #define POWER8_MMCRA_IFM1 0x0000000040000000UL #define POWER8_MMCRA_IFM2 0x0000000080000000UL #define POWER8_MMCRA_IFM3 0x00000000C0000000UL +#define POWER8_MMCRA_BHRB_MASK 0x00000000C0000000UL /* * Raw event encoding for PowerISA v2.07 (Power8): @@ -243,6 +240,8 @@ static u64 power8_bhrb_filter_map(u64 branch_sample_type) static void power8_config_bhrb(u64 pmu_bhrb_filter) { + pmu_bhrb_filter &= POWER8_MMCRA_BHRB_MASK; + /* Enable BHRB filter in PMU */ mtspr(SPRN_MMCRA, (mfspr(SPRN_MMCRA) | pmu_bhrb_filter)); } diff --git a/arch/powerpc/perf/power9-events-list.h b/arch/powerpc/perf/power9-events-list.h index 6b1dc9a83ede..7f4e6b5f22aa 100644 --- a/arch/powerpc/perf/power9-events-list.h +++ b/arch/powerpc/perf/power9-events-list.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Performance counter support for POWER9 processors. * * Copyright 2016 Madhavan Srinivasan, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ /* diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c index 3a31ac6f4805..08c3ef796198 100644 --- a/arch/powerpc/perf/power9-pmu.c +++ b/arch/powerpc/perf/power9-pmu.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for POWER9 processors. * * Copyright 2009 Paul Mackerras, IBM Corporation. * Copyright 2013 Michael Ellerman, IBM Corporation. * Copyright 2016 Madhavan Srinivasan, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or later version. */ #define pr_fmt(fmt) "power9-pmu: " fmt @@ -92,6 +88,7 @@ enum { #define POWER9_MMCRA_IFM1 0x0000000040000000UL #define POWER9_MMCRA_IFM2 0x0000000080000000UL #define POWER9_MMCRA_IFM3 0x00000000C0000000UL +#define POWER9_MMCRA_BHRB_MASK 0x00000000C0000000UL /* Nasty Power9 specific hack */ #define PVR_POWER9_CUMULUS 0x00002000 @@ -300,6 +297,8 @@ static u64 power9_bhrb_filter_map(u64 branch_sample_type) static void power9_config_bhrb(u64 pmu_bhrb_filter) { + pmu_bhrb_filter &= POWER9_MMCRA_BHRB_MASK; + /* Enable BHRB filter in PMU */ mtspr(SPRN_MMCRA, (mfspr(SPRN_MMCRA) | pmu_bhrb_filter)); } diff --git a/arch/powerpc/perf/ppc970-pmu.c b/arch/powerpc/perf/ppc970-pmu.c index 1d3370914022..4035d93d87ab 100644 --- a/arch/powerpc/perf/ppc970-pmu.c +++ b/arch/powerpc/perf/ppc970-pmu.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Performance counter support for PPC970-family processors. * * Copyright 2008-2009 Paul Mackerras, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/string.h> #include <linux/perf_event.h> |