Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763449AbZAGXB2 (ORCPT ); Wed, 7 Jan 2009 18:01:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762948AbZAGW6P (ORCPT ); Wed, 7 Jan 2009 17:58:15 -0500 Received: from outbound-sin.frontbridge.com ([207.46.51.80]:22328 "EHLO SG2EHSOBE002.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762626AbZAGW6K (ORCPT ); Wed, 7 Jan 2009 17:58:10 -0500 X-BigFish: VPS6(zzzzzz2b68kz32i43j65h) X-Spam-TCS-SCL: 4:0 X-WSS-ID: 0KD4IGC-01-LSR-01 From: Robert Richter To: Ingo Molnar CC: LKML , oprofile-list , Robert Richter Subject: [PATCH 9/9] oprofile: make new cpu buffer functions part of the api Date: Wed, 7 Jan 2009 23:45:25 +0100 Message-ID: <1231368325-19246-10-git-send-email-robert.richter@amd.com> X-Mailer: git-send-email 1.6.0.1 In-Reply-To: <1231368325-19246-1-git-send-email-robert.richter@amd.com> References: <1231368325-19246-1-git-send-email-robert.richter@amd.com> X-OriginalArrivalTime: 07 Jan 2009 22:57:46.0632 (UTC) FILETIME=[5B48C080:01C9711B] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7061 Lines: 202 This patch creates the new functions oprofile_write_reserve() oprofile_add_data() oprofile_write_commit() and makes them part of the oprofile api. Signed-off-by: Robert Richter --- arch/x86/oprofile/op_model_amd.c | 57 ++++++++++++++++---------------------- drivers/oprofile/cpu_buffer.c | 17 +++++++++-- drivers/oprofile/cpu_buffer.h | 8 +---- include/linux/oprofile.h | 18 ++++++++++++ 4 files changed, 57 insertions(+), 43 deletions(-) diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c index cf310ae..8fdf06e 100644 --- a/arch/x86/oprofile/op_model_amd.c +++ b/arch/x86/oprofile/op_model_amd.c @@ -22,7 +22,6 @@ #include "op_x86_model.h" #include "op_counter.h" -#include "../../../drivers/oprofile/cpu_buffer.h" #define NUM_COUNTERS 4 #define NUM_CONTROLS 4 @@ -61,14 +60,6 @@ static unsigned long reset_value[NUM_COUNTERS]; #define IBS_OP_LOW_VALID_BIT (1ULL<<18) /* bit 18 */ #define IBS_OP_LOW_ENABLE (1ULL<<17) /* bit 17 */ -/* - * The function interface needs to be fixed, something like add - * data. Should then be added to linux/oprofile.h. - */ -extern -void oprofile_add_data(struct op_entry *entry, struct pt_regs * const regs, - unsigned long pc, int code, int size); - #define IBS_FETCH_SIZE 6 #define IBS_OP_SIZE 12 @@ -174,16 +165,16 @@ op_amd_handle_ibs(struct pt_regs * const regs, rdmsr(MSR_AMD64_IBSFETCHCTL, low, high); if (high & IBS_FETCH_HIGH_VALID_BIT) { rdmsrl(MSR_AMD64_IBSFETCHLINAD, msr); - oprofile_add_data(&entry, regs, msr, IBS_FETCH_CODE, - IBS_FETCH_SIZE); - op_cpu_buffer_add_data(&entry, (u32)msr); - op_cpu_buffer_add_data(&entry, (u32)(msr >> 32)); - op_cpu_buffer_add_data(&entry, low); - op_cpu_buffer_add_data(&entry, high); + oprofile_write_reserve(&entry, regs, msr, + IBS_FETCH_CODE, IBS_FETCH_SIZE); + oprofile_add_data(&entry, (u32)msr); + oprofile_add_data(&entry, (u32)(msr >> 32)); + oprofile_add_data(&entry, low); + oprofile_add_data(&entry, high); rdmsrl(MSR_AMD64_IBSFETCHPHYSAD, msr); - op_cpu_buffer_add_data(&entry, (u32)msr); - op_cpu_buffer_add_data(&entry, (u32)(msr >> 32)); - op_cpu_buffer_write_commit(&entry); + oprofile_add_data(&entry, (u32)msr); + oprofile_add_data(&entry, (u32)(msr >> 32)); + oprofile_write_commit(&entry); /* reenable the IRQ */ high &= ~IBS_FETCH_HIGH_VALID_BIT; @@ -197,26 +188,26 @@ op_amd_handle_ibs(struct pt_regs * const regs, rdmsr(MSR_AMD64_IBSOPCTL, low, high); if (low & IBS_OP_LOW_VALID_BIT) { rdmsrl(MSR_AMD64_IBSOPRIP, msr); - oprofile_add_data(&entry, regs, msr, IBS_OP_CODE, - IBS_OP_SIZE); - op_cpu_buffer_add_data(&entry, (u32)msr); - op_cpu_buffer_add_data(&entry, (u32)(msr >> 32)); + oprofile_write_reserve(&entry, regs, msr, + IBS_OP_CODE, IBS_OP_SIZE); + oprofile_add_data(&entry, (u32)msr); + oprofile_add_data(&entry, (u32)(msr >> 32)); rdmsrl(MSR_AMD64_IBSOPDATA, msr); - op_cpu_buffer_add_data(&entry, (u32)msr); - op_cpu_buffer_add_data(&entry, (u32)(msr >> 32)); + oprofile_add_data(&entry, (u32)msr); + oprofile_add_data(&entry, (u32)(msr >> 32)); rdmsrl(MSR_AMD64_IBSOPDATA2, msr); - op_cpu_buffer_add_data(&entry, (u32)msr); - op_cpu_buffer_add_data(&entry, (u32)(msr >> 32)); + oprofile_add_data(&entry, (u32)msr); + oprofile_add_data(&entry, (u32)(msr >> 32)); rdmsrl(MSR_AMD64_IBSOPDATA3, msr); - op_cpu_buffer_add_data(&entry, (u32)msr); - op_cpu_buffer_add_data(&entry, (u32)(msr >> 32)); + oprofile_add_data(&entry, (u32)msr); + oprofile_add_data(&entry, (u32)(msr >> 32)); rdmsrl(MSR_AMD64_IBSDCLINAD, msr); - op_cpu_buffer_add_data(&entry, (u32)msr); - op_cpu_buffer_add_data(&entry, (u32)(msr >> 32)); + oprofile_add_data(&entry, (u32)msr); + oprofile_add_data(&entry, (u32)(msr >> 32)); rdmsrl(MSR_AMD64_IBSDCPHYSAD, msr); - op_cpu_buffer_add_data(&entry, (u32)msr); - op_cpu_buffer_add_data(&entry, (u32)(msr >> 32)); - op_cpu_buffer_write_commit(&entry); + oprofile_add_data(&entry, (u32)msr); + oprofile_add_data(&entry, (u32)(msr >> 32)); + oprofile_write_commit(&entry); /* reenable the IRQ */ high = 0; diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index b846af6..2e03b6d 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -364,10 +364,11 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) /* * Add samples with data to the ring buffer. * - * Use op_cpu_buffer_add_data(&entry, val) to add data and - * op_cpu_buffer_write_commit(&entry) to commit the sample. + * Use oprofile_add_data(&entry, val) to add data and + * oprofile_write_commit(&entry) to commit the sample. */ -void oprofile_add_data(struct op_entry *entry, struct pt_regs * const regs, +void +oprofile_write_reserve(struct op_entry *entry, struct pt_regs * const regs, unsigned long pc, int code, int size) { struct op_sample *sample; @@ -395,6 +396,16 @@ fail: cpu_buf->sample_lost_overflow++; } +int oprofile_add_data(struct op_entry *entry, unsigned long val) +{ + return op_cpu_buffer_add_data(entry, val); +} + +int oprofile_write_commit(struct op_entry *entry) +{ + return op_cpu_buffer_write_commit(entry); +} + void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event) { struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(cpu_buffer); diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h index 525cc4d..63f81c4 100644 --- a/drivers/oprofile/cpu_buffer.h +++ b/drivers/oprofile/cpu_buffer.h @@ -35,13 +35,7 @@ struct op_sample { unsigned long data[0]; }; -struct op_entry { - struct ring_buffer_event *event; - struct op_sample *sample; - unsigned long irq_flags; - unsigned long size; - unsigned long *data; -}; +struct op_entry; struct oprofile_cpu_buffer { unsigned long buffer_size; diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h index 1ce9fe5..1d9518b 100644 --- a/include/linux/oprofile.h +++ b/include/linux/oprofile.h @@ -164,4 +164,22 @@ void oprofile_put_buff(unsigned long *buf, unsigned int start, unsigned long oprofile_get_cpu_buffer_size(void); void oprofile_cpu_buffer_inc_smpl_lost(void); +/* cpu buffer functions */ + +struct op_sample; + +struct op_entry { + struct ring_buffer_event *event; + struct op_sample *sample; + unsigned long irq_flags; + unsigned long size; + unsigned long *data; +}; + +void oprofile_write_reserve(struct op_entry *entry, + struct pt_regs * const regs, + unsigned long pc, int code, int size); +int oprofile_add_data(struct op_entry *entry, unsigned long val); +int oprofile_write_commit(struct op_entry *entry); + #endif /* OPROFILE_H */ -- 1.6.0.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/