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From: Robert Richter <robert.richter@amd.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: LKML <linux-kernel@vger.kernel.org>,
	oprofile-list <oprofile-list@lists.sourceforge.net>,
	Robert Richter <robert.richter@amd.com>
Subject: [PATCH 4/7] oprofile/x86: moving shutdown functions
Date: Tue, 4 May 2010 12:44:50 +0200	[thread overview]
Message-ID: <1272969893-29233-5-git-send-email-robert.richter@amd.com> (raw)
In-Reply-To: <1272969893-29233-1-git-send-email-robert.richter@amd.com>

Moving some code in preparation of the next patch.

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/op_model_amd.c  |   24 +++++++++++-----------
 arch/x86/oprofile/op_model_p4.c   |   38 +++++++++++++++++-------------------
 arch/x86/oprofile/op_model_ppro.c |   33 +++++++++++++++----------------
 3 files changed, 46 insertions(+), 49 deletions(-)

diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index 2e2bc90..7e5886d 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -126,6 +126,18 @@ static void op_mux_switch_ctrl(struct op_x86_model_spec const *model,
 
 /* functions for op_amd_spec */
 
+static void op_amd_shutdown(struct op_msrs const * const msrs)
+{
+	int i;
+
+	for (i = 0; i < NUM_COUNTERS; ++i) {
+		if (!msrs->counters[i].addr)
+			continue;
+		release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
+		release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
+	}
+}
+
 static void op_amd_fill_in_addresses(struct op_msrs * const msrs)
 {
 	int i;
@@ -422,18 +434,6 @@ static void op_amd_stop(struct op_msrs const * const msrs)
 	op_amd_stop_ibs();
 }
 
-static void op_amd_shutdown(struct op_msrs const * const msrs)
-{
-	int i;
-
-	for (i = 0; i < NUM_COUNTERS; ++i) {
-		if (!msrs->counters[i].addr)
-			continue;
-		release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
-		release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
-	}
-}
-
 static u8 ibs_eilvt_off;
 
 static inline void apic_init_ibs_nmi_per_cpu(void *arg)
diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c
index e6a160a..7cc80df 100644
--- a/arch/x86/oprofile/op_model_p4.c
+++ b/arch/x86/oprofile/op_model_p4.c
@@ -385,6 +385,24 @@ static unsigned int get_stagger(void)
 
 static unsigned long reset_value[NUM_COUNTERS_NON_HT];
 
+static void p4_shutdown(struct op_msrs const * const msrs)
+{
+	int i;
+
+	for (i = 0; i < num_counters; ++i) {
+		if (msrs->counters[i].addr)
+			release_perfctr_nmi(msrs->counters[i].addr);
+	}
+	/*
+	 * some of the control registers are specially reserved in
+	 * conjunction with the counter registers (hence the starting offset).
+	 * This saves a few bits.
+	 */
+	for (i = num_counters; i < num_controls; ++i) {
+		if (msrs->controls[i].addr)
+			release_evntsel_nmi(msrs->controls[i].addr);
+	}
+}
 
 static void p4_fill_in_addresses(struct op_msrs * const msrs)
 {
@@ -668,26 +686,6 @@ static void p4_stop(struct op_msrs const * const msrs)
 	}
 }
 
-static void p4_shutdown(struct op_msrs const * const msrs)
-{
-	int i;
-
-	for (i = 0; i < num_counters; ++i) {
-		if (msrs->counters[i].addr)
-			release_perfctr_nmi(msrs->counters[i].addr);
-	}
-	/*
-	 * some of the control registers are specially reserved in
-	 * conjunction with the counter registers (hence the starting offset).
-	 * This saves a few bits.
-	 */
-	for (i = num_counters; i < num_controls; ++i) {
-		if (msrs->controls[i].addr)
-			release_evntsel_nmi(msrs->controls[i].addr);
-	}
-}
-
-
 #ifdef CONFIG_SMP
 struct op_x86_model_spec op_p4_ht2_spec = {
 	.num_counters		= NUM_COUNTERS_HT2,
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index f8e268e..b07d25a 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -30,6 +30,22 @@ static int counter_width = 32;
 
 static u64 *reset_value;
 
+static void ppro_shutdown(struct op_msrs const * const msrs)
+{
+	int i;
+
+	for (i = 0; i < num_counters; ++i) {
+		if (!msrs->counters[i].addr)
+			continue;
+		release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
+		release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);
+	}
+	if (reset_value) {
+		kfree(reset_value);
+		reset_value = NULL;
+	}
+}
+
 static void ppro_fill_in_addresses(struct op_msrs * const msrs)
 {
 	int i;
@@ -189,23 +205,6 @@ static void ppro_stop(struct op_msrs const * const msrs)
 	}
 }
 
-static void ppro_shutdown(struct op_msrs const * const msrs)
-{
-	int i;
-
-	for (i = 0; i < num_counters; ++i) {
-		if (!msrs->counters[i].addr)
-			continue;
-		release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
-		release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);
-	}
-	if (reset_value) {
-		kfree(reset_value);
-		reset_value = NULL;
-	}
-}
-
-
 struct op_x86_model_spec op_ppro_spec = {
 	.num_counters		= 2,
 	.num_controls		= 2,
-- 
1.7.0.3



  parent reply	other threads:[~2010-05-04 10:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-04 10:44 [PATCH 0/7] updates for oprofile Robert Richter
2010-05-04 10:44 ` [PATCH 1/7] oprofile: update file list in MAINTAINERS file Robert Richter
2010-05-04 10:44 ` [PATCH 2/7] oprofile/x86: rework error handler in nmi_setup() Robert Richter
2010-05-04 10:44 ` [PATCH 3/7] oprofile/x86: reserve counter msrs pairwise Robert Richter
2010-05-04 10:44 ` Robert Richter [this message]
2010-05-04 10:44 ` [PATCH 5/7] oprofile/x86: return -EBUSY if counters are already reserved Robert Richter
2010-05-04 10:44 ` [PATCH 6/7] oprofile/x86: move IBS code Robert Richter
2010-05-04 10:44 ` [PATCH 7/7] oprofile/x86: remove duplicate IBS capability check Robert Richter
2010-05-06 13:03 ` [GIT PULL] updates for oprofile Robert Richter
2010-05-06 14:21   ` Ingo Molnar

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