Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (470 commits) x86: Fix comments of register/stack access functions perf tools: Replace %m with %a in sscanf hw-breakpoints: Keep track of user disabled breakpoints tracing/syscalls: Make syscall events print callbacks static tracing: Add DEFINE_EVENT(), DEFINE_SINGLE_EVENT() support to docbook perf: Don't free perf_mmap_data until work has been done perf_event: Fix compile error perf tools: Fix _GNU_SOURCE macro related strndup() build error trace_syscalls: Remove unused syscall_name_to_nr() trace_syscalls: Simplify syscall profile trace_syscalls: Remove duplicate init_enter_##sname() trace_syscalls: Add syscall_nr field to struct syscall_metadata trace_syscalls: Remove enter_id exit_id trace_syscalls: Set event_enter_##sname->data to its metadata trace_syscalls: Remove unused event_syscall_enter and event_syscall_exit perf_event: Initialize data.period in perf_swevent_hrtimer() perf probe: Simplify event naming perf probe: Add --list option for listing current probe events perf probe: Add argv_split() from lib/argv_split.c perf probe: Move probe event utility functions to probe-event.c ...
2009-12-05 15:30:21 -08:00
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -732,7 +732,7 @@ int fix_alignment(struct pt_regs *regs)

 #ifdef CONFIG_SPE
 	if ((instr >> 26) == 0x4) {
-		PPC_WARN_EMULATED(spe);
+		PPC_WARN_ALIGNMENT(spe, regs);
 		return emulate_spe(regs, reg, instr);
 	}
 #endif
@@ -786,7 +786,7 @@ int fix_alignment(struct pt_regs *regs)
 			flags |= SPLT;
 			nb = 8;
 		}
-		PPC_WARN_EMULATED(vsx);
+		PPC_WARN_ALIGNMENT(vsx, regs);
 		return emulate_vsx(addr, reg, areg, regs, flags, nb);
 	}
 #endif
@@ -794,7 +794,7 @@ int fix_alignment(struct pt_regs *regs)
 	 * the exception of DCBZ which is handled as a special case here
 	 */
 	if (instr == DCBZ) {
-		PPC_WARN_EMULATED(dcbz);
+		PPC_WARN_ALIGNMENT(dcbz, regs);
 		return emulate_dcbz(regs, addr);
 	}
 	if (unlikely(nb == 0))
@@ -804,7 +804,7 @@ int fix_alignment(struct pt_regs *regs)
 	 * function
 	 */
 	if (flags & M) {
-		PPC_WARN_EMULATED(multiple);
+		PPC_WARN_ALIGNMENT(multiple, regs);
 		return emulate_multiple(regs, addr, reg, nb,
 					flags, instr, swiz);
 	}
@@ -825,11 +825,11 @@ int fix_alignment(struct pt_regs *regs)

 	/* Special case for 16-byte FP loads and stores */
 	if (nb == 16) {
-		PPC_WARN_EMULATED(fp_pair);
+		PPC_WARN_ALIGNMENT(fp_pair, regs);
 		return emulate_fp_pair(addr, reg, flags);
 	}

-	PPC_WARN_EMULATED(unaligned);
+	PPC_WARN_ALIGNMENT(unaligned, regs);

 	/* If we are loading, get the data from user space, else
 	 * get it from register values
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -551,7 +551,7 @@ restore:
 BEGIN_FW_FTR_SECTION
 	ld	r5,SOFTE(r1)
 FW_FTR_SECTION_ELSE
-	b	iseries_check_pending_irqs
+	b	.Liseries_check_pending_irqs
 ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
 2:
 	TRACE_AND_RESTORE_IRQ(r5);
@@ -623,7 +623,7 @@ ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)

 #endif /* CONFIG_PPC_BOOK3E */

-iseries_check_pending_irqs:
+.Liseries_check_pending_irqs:
 #ifdef CONFIG_PPC_ISERIES
 	ld	r5,SOFTE(r1)
 	cmpdi	0,r5,0
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -185,12 +185,15 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE)
 	 * prolog code of the PerformanceMonitor one. A little
 	 * trickery is thus necessary
 	 */
+performance_monitor_pSeries_1:
 	. = 0xf00
 	b	performance_monitor_pSeries

+altivec_unavailable_pSeries_1:
 	. = 0xf20
 	b	altivec_unavailable_pSeries

+vsx_unavailable_pSeries_1:
 	. = 0xf40
 	b	vsx_unavailable_pSeries

--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -70,6 +70,8 @@
 #include <asm/firmware.h>
 #include <asm/lv1call.h>
 #endif
+#define CREATE_TRACE_POINTS
+#include <asm/trace.h>

 int __irq_offset_value;
 static int ppc_spurious_interrupts;
@@ -325,6 +327,8 @@ void do_IRQ(struct pt_regs *regs)
 	struct pt_regs *old_regs = set_irq_regs(regs);
 	unsigned int irq;

+	trace_irq_entry(regs);
+
 	irq_enter();

 	check_stack_overflow();
@@ -348,6 +352,8 @@ void do_IRQ(struct pt_regs *regs)
 		timer_interrupt(regs);
 	}
 #endif
+
+	trace_irq_exit(regs);
 }

 void __init init_IRQ(void)
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -1165,7 +1165,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
 	 */
 	if (record) {
 		struct perf_sample_data data = {
-			.addr	= 0,
+			.addr	= ~0ULL,
 			.period	= event->hw.last_period,
 		};

--- a/arch/powerpc/kernel/power5+-pmu.c
+++ b/arch/powerpc/kernel/power5+-pmu.c
@@ -72,10 +72,6 @@
 #define MMCR1_PMCSEL_SH(n)	(MMCR1_PMC1SEL_SH - (n) * 8)
 #define MMCR1_PMCSEL_MSK	0x7f

-/*
- * Bits in MMCRA
- */
-
 /*
 * Layout of constraint bits:
 * 6666555555555544444444443333333333222222222211111111110000000000
--- a/arch/powerpc/kernel/power5-pmu.c
+++ b/arch/powerpc/kernel/power5-pmu.c
@@ -72,10 +72,6 @@
 #define MMCR1_PMCSEL_SH(n)	(MMCR1_PMC1SEL_SH - (n) * 8)
 #define MMCR1_PMCSEL_MSK	0x7f

-/*
- * Bits in MMCRA
- */
-
 /*
 * Layout of constraint bits:
 * 6666555555555544444444443333333333222222222211111111110000000000
@@ -390,7 +386,7 @@ static int power5_compute_mmcr(u64 event[], int n_ev,
 			       unsigned int hwc[], unsigned long mmcr[])
 {
 	unsigned long mmcr1 = 0;
-	unsigned long mmcra = 0;
+	unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
 	unsigned int pmc, unit, byte, psel;
 	unsigned int ttm, grp;
 	int i, isbus, bit, grsel;
--- a/arch/powerpc/kernel/power6-pmu.c
+++ b/arch/powerpc/kernel/power6-pmu.c
@@ -178,7 +178,7 @@ static int p6_compute_mmcr(u64 event[], int n_ev,
 			   unsigned int hwc[], unsigned long mmcr[])
 {
 	unsigned long mmcr1 = 0;
-	unsigned long mmcra = 0;
+	unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
 	int i;
 	unsigned int pmc, ev, b, u, s, psel;
 	unsigned int ttmset = 0;
--- a/arch/powerpc/kernel/power7-pmu.c
+++ b/arch/powerpc/kernel/power7-pmu.c
@@ -50,10 +50,6 @@
 #define MMCR1_PMCSEL_SH(n)	(MMCR1_PMC1SEL_SH - (n) * 8)
 #define MMCR1_PMCSEL_MSK	0xff

-/*
- * Bits in MMCRA
- */
-
 /*
 * Layout of constraint bits:
 * 6666555555555544444444443333333333222222222211111111110000000000
@@ -230,7 +226,7 @@ static int power7_compute_mmcr(u64 event[], int n_ev,
 			       unsigned int hwc[], unsigned long mmcr[])
 {
 	unsigned long mmcr1 = 0;
-	unsigned long mmcra = 0;
+	unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
 	unsigned int pmc, unit, combine, l2sel, psel;
 	unsigned int pmc_inuse = 0;
 	int i;
--- a/arch/powerpc/kernel/ppc970-pmu.c
+++ b/arch/powerpc/kernel/ppc970-pmu.c
@@ -83,10 +83,6 @@ static short mmcr1_adder_bits[8] = {
 	MMCR1_PMC8_ADDER_SEL_SH
 };

-/*
- * Bits in MMCRA
- */
-
 /*
 * Layout of constraint bits:
 * 6666555555555544444444443333333333222222222211111111110000000000
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -660,6 +660,7 @@ late_initcall(check_cache_coherency);

 #ifdef CONFIG_DEBUG_FS
 struct dentry *powerpc_debugfs_root;
+EXPORT_SYMBOL(powerpc_debugfs_root);

 static int powerpc_debugfs_init(void)
 {
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -54,6 +54,7 @@
 #include <linux/irq.h>
 #include <linux/delay.h>
 #include <linux/perf_event.h>
+#include <asm/trace.h>

 #include <asm/io.h>
 #include <asm/processor.h>
@@ -571,6 +572,8 @@ void timer_interrupt(struct pt_regs * regs)
 	struct clock_event_device *evt = &decrementer->event;
 	u64 now;

+	trace_timer_interrupt_entry(regs);
+
 	/* Ensure a positive value is written to the decrementer, or else
 	 * some CPUs will continuue to take decrementer exceptions */
 	set_dec(DECREMENTER_MAX);
@@ -590,6 +593,7 @@ void timer_interrupt(struct pt_regs * regs)
 		now = decrementer->next_tb - now;
 		if (now <= DECREMENTER_MAX)
 			set_dec((int)now);
+		trace_timer_interrupt_exit(regs);
 		return;
 	}
 	old_regs = set_irq_regs(regs);
@@ -620,6 +624,8 @@ void timer_interrupt(struct pt_regs * regs)

 	irq_exit();
 	set_irq_regs(old_regs);
+
+	trace_timer_interrupt_exit(regs);
 }

 void wakeup_decrementer(void)
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -759,7 +759,7 @@ static int emulate_instruction(struct pt_regs *regs)

 	/* Emulate the mfspr rD, PVR. */
 	if ((instword & PPC_INST_MFSPR_PVR_MASK) == PPC_INST_MFSPR_PVR) {
-		PPC_WARN_EMULATED(mfpvr);
+		PPC_WARN_EMULATED(mfpvr, regs);
 		rd = (instword >> 21) & 0x1f;
 		regs->gpr[rd] = mfspr(SPRN_PVR);
 		return 0;
@@ -767,7 +767,7 @@ static int emulate_instruction(struct pt_regs *regs)

 	/* Emulating the dcba insn is just a no-op.  */
 	if ((instword & PPC_INST_DCBA_MASK) == PPC_INST_DCBA) {
-		PPC_WARN_EMULATED(dcba);
+		PPC_WARN_EMULATED(dcba, regs);
 		return 0;
 	}

@@ -776,7 +776,7 @@ static int emulate_instruction(struct pt_regs *regs)
 		int shift = (instword >> 21) & 0x1c;
 		unsigned long msk = 0xf0000000UL >> shift;

-		PPC_WARN_EMULATED(mcrxr);
+		PPC_WARN_EMULATED(mcrxr, regs);
 		regs->ccr = (regs->ccr & ~msk) | ((regs->xer >> shift) & msk);
 		regs->xer &= ~0xf0000000UL;
 		return 0;
@@ -784,19 +784,19 @@ static int emulate_instruction(struct pt_regs *regs)

 	/* Emulate load/store string insn. */
 	if ((instword & PPC_INST_STRING_GEN_MASK) == PPC_INST_STRING) {
-		PPC_WARN_EMULATED(string);
+		PPC_WARN_EMULATED(string, regs);
 		return emulate_string_inst(regs, instword);
 	}

 	/* Emulate the popcntb (Population Count Bytes) instruction. */
 	if ((instword & PPC_INST_POPCNTB_MASK) == PPC_INST_POPCNTB) {
-		PPC_WARN_EMULATED(popcntb);
+		PPC_WARN_EMULATED(popcntb, regs);
 		return emulate_popcntb_inst(regs, instword);
 	}

 	/* Emulate isel (Integer Select) instruction */
 	if ((instword & PPC_INST_ISEL_MASK) == PPC_INST_ISEL) {
-		PPC_WARN_EMULATED(isel);
+		PPC_WARN_EMULATED(isel, regs);
 		return emulate_isel(regs, instword);
 	}

@@ -995,7 +995,7 @@ void SoftwareEmulation(struct pt_regs *regs)
 #ifdef CONFIG_MATH_EMULATION
 	errcode = do_mathemu(regs);
 	if (errcode >= 0)
-		PPC_WARN_EMULATED(math);
+		PPC_WARN_EMULATED(math, regs);

 	switch (errcode) {
 	case 0:
@@ -1018,7 +1018,7 @@ void SoftwareEmulation(struct pt_regs *regs)
 #elif defined(CONFIG_8XX_MINIMAL_FPEMU)
 	errcode = Soft_emulate_8xx(regs);
 	if (errcode >= 0)
-		PPC_WARN_EMULATED(8xx);
+		PPC_WARN_EMULATED(8xx, regs);

 	switch (errcode) {
 	case 0:
@@ -1129,7 +1129,7 @@ void altivec_assist_exception(struct pt_regs *regs)

 	flush_altivec_to_thread(current);

-	PPC_WARN_EMULATED(altivec);
+	PPC_WARN_EMULATED(altivec, regs);
 	err = emulate_altivec(regs);
 	if (err == 0) {
 		regs->nip += 4;		/* skip emulated instruction */