This patch contains the new files for powerpc.
The files are as follows:
arch/powerpc/perfmon/Kconfig:
- add menuconfig options
arch/powerpc/perfmon/Makefile:
- makefile for arch specific files
arch/powerpc/perfmon/perfmon.c:
- architecture specific perfmon support. Implements architecrure specific
operations such as save/restore/start/stop/detect overflow counters, ...
arch/powerpc/perfmon/perfmon_power5.c:
- PMU description table for Power 5
include/asm-powerpc/perfmon.h:
- architecture specific header definitions
--- linux-2.6.17.9.base/arch/powerpc/perfmon/Kconfig 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.17.9/arch/powerpc/perfmon/Kconfig 2006-08-21 03:37:46.000000000 -0700
@@ -0,0 +1,17 @@
+menu "Hardware Performance Monitoring support"
+config PERFMON
+ bool "Perfmon2 performance monitoring interface"
+ default y
+ help
+ Enables the perfmon2 interface to access the hardware
+ performance counters. See <http://perfmon2.sf.net/> for
+ more details. If you're unsure, say Y.
+
+config PERFMON_POWER5
+ tristate "Support for Power5 hardware performance counters"
+ depends on PERFMON
+ default m
+ help
+ Enables support for the Power 5 hardware performance counters
+ If unsure, say M.
+endmenu
--- linux-2.6.17.9.base/arch/powerpc/perfmon/Makefile 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.17.9/arch/powerpc/perfmon/Makefile 2006-08-21 03:37:46.000000000 -0700
@@ -0,0 +1,2 @@
+obj-$(CONFIG_PERFMON) += perfmon.o
+obj-$(CONFIG_PERFMON_POWER5) += perfmon_power5.o
--- linux-2.6.17.9.base/arch/powerpc/perfmon/perfmon.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.17.9/arch/powerpc/perfmon/perfmon.c 2006-08-21 03:37:46.000000000 -0700
@@ -0,0 +1,304 @@
+/*
+ * This file implements the ppc64 specific
+ * support for the perfmon2 interface
+ *
+ * Copyright (c) 2005 David Gibson, IBM Corporation.
+ *
+ * based on versions for other architectures:
+ * Copyright (c) 2005-2006 Hewlett-Packard Development Company, L.P.
+ * Contributed by Stephane Eranian <[email protected]>
+ */
+#include <linux/interrupt.h>
+#include <linux/perfmon.h>
+
+/*
+ * collect pending overflowed PMDs. Called from pfm_ctxsw()
+ * and from PMU interrupt handler. Must fill in set->povfl_pmds[]
+ * and set->npend_ovfls. Interrupts are masked
+ */
+static void __pfm_get_ovfl_pmds(struct pfm_context *ctx,
+ struct pfm_event_set *set)
+{
+ u64 new_val, wmask;
+ unsigned long *used_mask;
+ unsigned int i, max;
+
+ max = pfm_pmu_conf->max_cnt_pmd;
+ used_mask = set->used_pmds;
+ wmask = PFM_ONE_64 << pfm_pmu_conf->counter_width;
+
+ for (i = 0; i < max; i++) {
+ /* assume all PMD are counters */
+ if (pfm_bv_isset(used_mask, i)) {
+ new_val = pfm_arch_read_pmd(ctx, i);
+
+ PFM_DBG_ovfl("pmd%u new_val=0x%lx bit=%d",
+ i, new_val, (new_val&wmask) ? 1 : 0);
+
+ if ((new_val & wmask) == 0) {
+ pfm_bv_set(set->povfl_pmds, i);
+ set->npend_ovfls++;
+ }
+ }
+ }
+}
+
+/*
+ * Called from pfm_ctxsw(). Task is guaranteed to be current.
+ * Context is locked. Interrupts are masked. Monitoring is active.
+ * PMU access is guaranteed. PMC and PMD registers are live in PMU.
+ *
+ * for per-thread:
+ * must stop monitoring for the task
+ * Return:
+ * non-zero : did not save PMDs (as part of stopping the PMU)
+ * 0 : saved PMDs (no need to save them in caller)
+ */
+int pfm_arch_ctxswout_thread(struct task_struct *task, struct pfm_context *ctx,
+ struct pfm_event_set *set)
+{
+ mtspr(SPRN_MMCR0, MMCR0_FC);
+
+ /*
+ * disable lazy restore of PMC registers.
+ */
+ if (set)
+ set->priv_flags |= PFM_SETFL_PRIV_MOD_PMCS;
+
+ __pfm_get_ovfl_pmds(ctx, set);
+
+ return 1;
+}
+
+/*
+ * Called from pfm_stop() and pfm_ctxsw() when idle
+ * task and EXCL_IDLE is on.
+ *
+ * Interrupts are masked. Context is locked. Set is the active set.
+ *
+ * For per-thread:
+ * task is not necessarily current. If not current task, then
+ * task is guaranteed stopped and off any cpu. Access to PMU
+ * is not guaranteed. Interrupts are masked. Context is locked.
+ * Set is the active set.
+ *
+ * For system-wide:
+ * task is current
+ *
+ * must disable active monitoring.
+ */
+void pfm_arch_stop(struct task_struct *task, struct pfm_context *ctx,
+ struct pfm_event_set *aset)
+{
+ if (task != current)
+ return;
+
+ mtspr(SPRN_MMCR0, MMCR0_FC);
+}
+
+/*
+ * function called from pfm_unload_context_*(). Context is locked.
+ * interrupts are masked. task is not guaranteed to be current task.
+ * Access to PMU is not guaranteed.
+ *
+ * function must do whatever arch-specific action is required on unload
+ * of a context.
+ *
+ * called for both system-wide and per-thread. task is NULL for ssytem-wide
+ */
+void pfm_arch_unload_context(struct pfm_context *ctx, struct task_struct *task)
+{
+}
+
+/*
+ * called from pfm_start() or pfm_ctxsw() when idle task and
+ * EXCL_IDLE is on.
+ *
+ * Interrupts are masked. Context is locked. Set is the active set.
+ *
+ * For per-trhead:
+ * Task is not necessarily current. If not current task, then task
+ * is guaranteed stopped and off any cpu. Access to PMU is not guaranteed.
+ *
+ * For system-wide:
+ * task is always current
+ *
+ * must enable active monitoring.
+ */
+static void __pfm_arch_start(struct task_struct *task, struct pfm_context *ctx,
+ struct pfm_event_set *set)
+{
+ if (task != current)
+ return;
+
+ mtspr(SPRN_MMCR0, set->pmcs[0]);
+ mtspr(SPRN_MMCR1, set->pmcs[1]);
+ mtspr(SPRN_MMCRA, set->pmcs[2]);
+}
+
+void pfm_arch_start(struct task_struct *task, struct pfm_context *ctx,
+ struct pfm_event_set *set)
+{
+ /*
+ * mask/unmask uses start/stop mechanism, so we cannot allow
+ * while masked.
+ */
+ if (ctx->state == PFM_CTX_MASKED)
+ return;
+
+ __pfm_arch_start(task, ctx, set);
+}
+
+/*
+ * function called from pfm_switch_sets(), pfm_context_load_thread(),
+ * pfm_context_load_sys(), pfm_ctxsw(), pfm_switch_sets()
+ * context is locked. Interrupts are masked. set cannot be NULL.
+ * Access to the PMU is guaranteed.
+ *
+ * function must restore all PMD registers from set.
+ */
+void pfm_arch_restore_pmds(struct pfm_context *ctx, struct pfm_event_set *set)
+{
+ u64 ovfl_mask, val, *pmds;
+ unsigned long *impl_rw_mask, *cnt_mask;
+ u16 i, max_rw_pmd;
+
+ max_rw_pmd = pfm_pmu_conf->max_rw_pmd;
+ cnt_mask = pfm_pmu_conf->cnt_pmds;
+ ovfl_mask = pfm_pmu_conf->ovfl_mask;
+ impl_rw_mask = pfm_pmu_conf->impl_rw_pmds;
+ pmds = set->view->set_pmds;
+
+ /* start at 1 to skip TB */
+ for (i = 1; i < max_rw_pmd; i++) {
+ if (likely(pfm_bv_isset(impl_rw_mask, i))) {
+ val = pmds[i];
+ if (likely(pfm_bv_isset(cnt_mask, i)))
+ val &= ovfl_mask;
+ pfm_arch_write_pmd(ctx, i, val);
+ }
+ }
+}
+
+/*
+ * function called from pfm_switch_sets(), pfm_context_load_thread(),
+ * pfm_context_load_sys(), pfm_ctxsw(), pfm_switch_sets()
+ * context is locked. Interrupts are masked. set cannot be NULL.
+ * Access to the PMU is guaranteed.
+ *
+ * function must restore all PMC registers from set, if needed.
+ */
+void pfm_arch_restore_pmcs(struct pfm_context *ctx, struct pfm_event_set *set)
+{
+ u16 i, num_cnt;
+
+ num_cnt = pfm_pmu_conf->num_pmcs;
+
+ /*
+ * - by default, no PMC measures anything
+ * - on ctxswout, all used PMCs are disabled (cccr cleared)
+ *
+ * we need to restore the PMC (incl enable bits) only if
+ * not masked and user issued pfm_start()
+ */
+ if (ctx->state == PFM_CTX_MASKED || ctx->flags.started == 0)
+ return;
+
+ /*
+ * restore all pmcs
+ */
+ for (i = 0; i < num_cnt; i++)
+ pfm_arch_write_pmc(ctx, i, set->pmcs[i]);
+}
+
+asmlinkage void pfm_intr_handler(struct pt_regs *regs)
+{
+ pfm_interrupt_handler(0, NULL, regs);
+}
+
+extern void ppc64_enable_pmcs(void);
+
+void pfm_arch_init_percpu(void)
+{
+ ppc64_enable_pmcs();
+}
+/*
+ * called from __pfm_interrupt_handler(). ctx is not NULL.
+ * ctx is locked. PMU interrupt is masked.
+ *
+ * must stop all monitoring to ensure handler has consistent view.
+ * must collect overflowed PMDs bitmask into povfls_pmds and
+ * npend_ovfls. If no interrupt detected then npend_ovfls
+ * must be set to zero.
+ */
+void pfm_arch_intr_freeze_pmu(struct pfm_context *ctx)
+{
+ mtspr(SPRN_MMCR0, MMCR0_FC);
+ __pfm_get_ovfl_pmds(ctx, ctx->active_set);
+}
+
+/*
+ * unfreeze PMU from pfm_do_interrupt_handler()
+ * ctx may be NULL for spurious
+ */
+void pfm_arch_intr_unfreeze_pmu(struct pfm_context *ctx)
+{
+ if (! ctx)
+ return;
+ pfm_arch_restore_pmcs(ctx, ctx->active_set);
+}
+
+void pfm_arch_mask_monitoring(struct pfm_context *ctx)
+{
+ mtspr(SPRN_MMCR0, MMCR0_FC);
+}
+
+void pfm_arch_unmask_monitoring(struct pfm_context *ctx)
+{
+ /*
+ * on ppc64 masking/unmasking uses start/stop
+ * mechanism
+ */
+ __pfm_arch_start(current, ctx, ctx->active_set);
+}
+
+/*
+ * invoked from arch/ppc64/kernel.entry.S
+ */
+void ppc64_pfm_handle_work(void)
+{
+ pfm_handle_work(current);
+}
+
+static void pfm_stop_one_pmu(void *data)
+{
+ mtspr(SPRN_MMCR0, MMCR0_FC);
+}
+
+/*
+ * called from pfm_register_pmu_config() after the new
+ * config has been validated and installed. The pfm_session_lock
+ * is held. Interrupts are not masked.
+ *
+ * The role of the function is, based on the PMU description, to
+ * put the PMU into a quiet state on each CPU. This function is only
+ * needed when there is no architected way to do this operation. In
+ * that case nothing can be done before a pmu description is registered.
+ */
+void pfm_arch_pmu_config_init(void)
+{
+ on_each_cpu(pfm_stop_one_pmu, NULL, 1, 1);
+}
+
+char *pfm_arch_get_pmu_module_name(void)
+{
+ unsigned long pvr = mfspr(SPRN_PVR);
+
+ /*
+ * XXX: ought to be something cleaner from cpu_data
+ */
+ if (PVR_VER(pvr) == PV_POWER5)
+ return "perfmon_power5";
+
+ return NULL;
+}
--- linux-2.6.17.9.base/arch/powerpc/perfmon/perfmon_power5.c 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.17.9/arch/powerpc/perfmon/perfmon_power5.c 2006-08-21 03:37:46.000000000 -0700
@@ -0,0 +1,72 @@
+/*
+ * This file contains the POWER4 PMU register description tables
+ * and pmc checker used by perfmon.c.
+ *
+ * Copyright (c) 2005 David Gibson, IBM Corporation.
+ *
+ * Based on perfmon_p6.c:
+ * Copyright (c) 2005-2006 Hewlett-Packard Development Company, L.P.
+ * Contributed by Stephane Eranian <[email protected]>
+ */
+#include <linux/module.h>
+#include <linux/perfmon.h>
+
+MODULE_AUTHOR("David Gibson <[email protected]>");
+MODULE_DESCRIPTION("POWER4 PMU description table");
+MODULE_LICENSE("GPL");
+
+static struct pfm_reg_desc pfm_power5_pmc_desc[]={
+/* mmcr0 */ PMC_D(PFM_REG_I, "MMCR0", MMCR0_FC, 0, 0),
+/* mmcr1 */ PMC_D(PFM_REG_I, "MMCR1", 0x0, 0, 0),
+/* mmcra */ PMC_D(PFM_REG_I, "MMCRA", 0x0, 0, 0)
+};
+#define PFM_PM_NUM_PMCS (sizeof(pfm_power5_pmc_desc)/sizeof(struct pfm_reg_desc))
+
+static struct pfm_reg_desc pfm_power5_pmd_desc[]={
+/* tb */ PMD_D(PFM_REG_C, "TB" ), /* rsvd_msk = -1 */
+/* pmd1 */ PMD_D(PFM_REG_C, "PMC1"),
+/* pmd2 */ PMD_D(PFM_REG_C, "PMC2"),
+/* pmd3 */ PMD_D(PFM_REG_C, "PMC3"),
+/* pmd4 */ PMD_D(PFM_REG_C, "PMC4"),
+/* pmd5 */ PMD_D(PFM_REG_C, "PMC5"),
+/* pmd6 */ PMD_D(PFM_REG_C, "PMC6")
+};
+#define PFM_PM_NUM_PMDS (sizeof(pfm_power5_pmd_desc)/sizeof(struct pfm_reg_desc))
+
+static int pfm_power5_probe_pmu(void)
+{
+ unsigned long pvr = mfspr(SPRN_PVR);
+
+ if (PVR_VER(pvr) != PV_POWER5)
+ return -1;
+
+ return 0;
+}
+
+/*
+ * impl_pmcs, impl_pmds are computed at runtime to minimize errors!
+ */
+static struct pfm_pmu_config pfm_power5_pmu_conf = {
+ .pmu_name = "POWER5",
+ .counter_width = 31,
+ .pmd_desc = pfm_power5_pmd_desc,
+ .pmc_desc = pfm_power5_pmc_desc,
+ .num_pmc_entries = PFM_PM_NUM_PMCS,
+ .num_pmd_entries = PFM_PM_NUM_PMDS,
+ .probe_pmu = pfm_power5_probe_pmu,
+ .flags = PFM_PMU_BUILTIN_FLAG,
+ .owner = THIS_MODULE
+};
+
+static int __init pfm_power5_pmu_init_module(void)
+{
+ return pfm_register_pmu_config(&pfm_power5_pmu_conf);
+}
+
+static void __exit pfm_power5_pmu_cleanup_module(void)
+{
+ pfm_unregister_pmu_config(&pfm_power5_pmu_conf);
+}
+
+module_init(pfm_power5_pmu_init_module);
+module_exit(pfm_power5_pmu_cleanup_module);
--- linux-2.6.17.9.base/include/asm-powerpc/perfmon.h 1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.17.9/include/asm-powerpc/perfmon.h 2006-08-21 03:37:46.000000000 -0700
@@ -0,0 +1,281 @@
+/*
+ * Copyright (c) 2005 David Gibson, IBM Corporation.
+ *
+ * Based on other versions:
+ * Copyright (c) 2005 Hewlett-Packard Development Company, L.P.
+ * Contributed by Stephane Eranian <[email protected]>
+ *
+ * This file contains ppc64 specific definitions for the perfmon
+ * interface.
+ *
+ * This file MUST never be included directly. Use linux/perfmon.h.
+ */
+#ifndef _ASM_PPC64_PERFMON_H_
+#define _ASM_PPC64_PERFMON_H_
+
+#ifdef __KERNEL__
+
+#define PFM_ARCH_PMD_STK_ARG 1 /* conservative value */
+#define PFM_ARCH_PMC_STK_ARG 1 /* conservative value */
+
+/*
+ * on som PMU models, the upper bits of a counter must be set in order
+ * for the overflow interrupt to happen. On overflow, the counter
+ * has wrapped around, and the upper bits are now cleared. This
+ * function set them back.
+ *
+ * The current version loses whatever is remaining in the counter,
+ * which is usually not zero but has a small count. In order not
+ * to loose this count, we do a read-modify-write to set the upper
+ * bits while preserving the low-order bits. This is slow but
+ * works.
+ */
+static inline void pfm_arch_ovfl_reset_pmd(struct pfm_context *ctx,
+ unsigned int cnum)
+{}
+
+static inline void pfm_arch_resend_irq(void)
+{}
+
+static inline void pfm_arch_serialize(void)
+{}
+
+
+static inline void pfm_arch_unfreeze_pmu(void)
+{}
+
+static inline u64 pfm_arch_get_itc(void)
+{
+ return mftb();
+}
+
+static inline void pfm_arch_write_pmc(struct pfm_context *ctx,
+ unsigned int cnum,
+ u64 value)
+{
+ switch (cnum) {
+ case 0:
+ mtspr(SPRN_MMCR0, value);
+ break;
+ case 1:
+ mtspr(SPRN_MMCR1, value);
+ break;
+ case 2:
+ mtspr(SPRN_MMCRA, value);
+ break;
+ default:
+ BUG();
+ }
+}
+
+static inline void pfm_arch_write_pmd(struct pfm_context *ctx,
+ unsigned int cnum, u64 value)
+{
+ switch (cnum) {
+ case 1:
+ mtspr(SPRN_PMC1, value);
+ break;
+ case 2:
+ mtspr(SPRN_PMC2, value);
+ break;
+ case 3:
+ mtspr(SPRN_PMC3, value);
+ break;
+ case 4:
+ mtspr(SPRN_PMC4, value);
+ break;
+ case 5:
+ mtspr(SPRN_PMC5, value);
+ break;
+ case 6:
+ mtspr(SPRN_PMC6, value);
+ break;
+ case 7:
+ mtspr(SPRN_PMC7, value);
+ break;
+ case 8:
+ mtspr(SPRN_PMC8, value);
+ break;
+ default:
+ BUG();
+ }
+}
+
+static inline u64 pfm_arch_read_pmd(struct pfm_context *ctx, unsigned int cnum)
+{
+ switch (cnum) {
+ case 0:
+ return mftb();
+ break;
+ case 1:
+ return mfspr(SPRN_PMC1);
+ break;
+ case 2:
+ return mfspr(SPRN_PMC2);
+ break;
+ case 3:
+ return mfspr(SPRN_PMC3);
+ break;
+ case 4:
+ return mfspr(SPRN_PMC4);
+ break;
+ case 5:
+ return mfspr(SPRN_PMC5);
+ break;
+ case 6:
+ return mfspr(SPRN_PMC6);
+ break;
+ case 7:
+ return mfspr(SPRN_PMC7);
+ break;
+ case 8:
+ return mfspr(SPRN_PMC8);
+ break;
+ default:
+ BUG();
+ return 0;
+ }
+}
+
+static inline u64 pfm_arch_read_pmc(struct pfm_context *ctx, unsigned int cnum)
+{
+ switch (cnum) {
+ case 0:
+ return mfspr(SPRN_MMCR0);
+ break;
+ case 1:
+ return mfspr(SPRN_MMCR1);
+ break;
+ case 2:
+ return mfspr(SPRN_MMCRA);
+ break;
+ default:
+ BUG();
+ return 0;
+ }
+}
+
+/*
+ * At certain points, perfmon needs to know if monitoring has been
+ * explicitely started/stopped by user via pfm_start/pfm_stop. The
+ * information is tracked in flags.started. However on certain
+ * architectures, it may be possible to start/stop directly from
+ * user level with a single assembly instruction bypassing
+ * the kernel. This function must be used to determine by
+ * an arch-specific mean if monitoring is actually started/stopped.
+ * If there is no other way but to go through pfm_start/pfm_stop
+ * then this function can simply return 0
+ */
+static inline int pfm_arch_is_active(struct pfm_context *ctx)
+{
+ return 0;
+}
+
+static inline void pfm_arch_ctxswout_sys(struct task_struct *task,
+ struct pfm_context *ctx,
+ struct pfm_event_set *set)
+{
+ mtspr(SPRN_MMCR0, MMCR0_FC);
+}
+
+static inline void pfm_arch_ctxswin_sys(struct task_struct *task,
+ struct pfm_context *ctx, struct pfm_event_set *set)
+{}
+
+static inline void pfm_arch_ctxswin_thread(struct task_struct *task,
+ struct pfm_context *ctx, struct pfm_event_set *set)
+{}
+
+void pfm_arch_init_percpu(void);
+int pfm_arch_is_monitoring_active(struct pfm_context *ctx);
+int pfm_arch_ctxswout_thread(struct task_struct *task, struct pfm_context *ctx,
+ struct pfm_event_set *set);
+void pfm_arch_stop(struct task_struct *task, struct pfm_context *ctx,
+ struct pfm_event_set *set);
+void pfm_arch_start(struct task_struct *task, struct pfm_context *ctx,
+ struct pfm_event_set *set);
+void pfm_arch_restore_pmds(struct pfm_context *ctx, struct pfm_event_set *set);
+void pfm_arch_restore_pmcs(struct pfm_context *ctx, struct pfm_event_set *set);
+int pfm_arch_get_ovfl_pmds(struct pfm_context *ctx,
+ struct pfm_event_set *set);
+void pfm_arch_intr_freeze_pmu(struct pfm_context *ctx);
+void pfm_arch_intr_unfreeze_pmu(struct pfm_context *ctx);
+char *pfm_arch_get_pmu_module_name(void);
+void pfm_arch_mask_monitoring(struct pfm_context *ctx);
+void pfm_arch_unmask_monitoring(struct pfm_context *ctx);
+void pfm_arch_pmu_config_init(void);
+
+/*
+ * called from pfm_register_pmu_config() after the new
+ * config has been validated and installed. The pfs_lock is held
+ * is held.
+ *
+ * Must sanity check the arch-specific config information
+ *
+ * return:
+ * < 0 : if error
+ * 0 : if success
+ */
+static inline int pfm_arch_pmu_config_check(struct pfm_pmu_config *cfg)
+{
+ return 0;
+}
+
+static inline int pfm_arch_context_initialize(struct pfm_context *ctx,
+ u32 ctx_flags)
+{
+ return 0;
+}
+
+void pfm_arch_unload_context(struct pfm_context *ctx, struct task_struct *task);
+
+static inline int pfm_arch_reserve_session(struct pfm_sessions *session,
+ struct pfm_context *ctx,
+ unsigned int cpu)
+{
+ return 0;
+}
+
+static inline void pfm_arch_release_session(struct pfm_sessions *session,
+ struct pfm_context *ctx,
+ u32 cpu)
+{}
+
+/*
+ * function called from pfm_setfl_sane(). Context is locked
+ * and interrupts are masked.
+ * The value of flags is the value of ctx_flags as passed by
+ * user.
+ *
+ * function must check arch-specific set flags.
+ * Return:
+ * 1 when flags are valid
+ * 0 on error
+ */
+static inline int pfm_arch_setfl_sane(struct pfm_context *ctx, u32 flags)
+{
+ return 0;
+}
+
+static inline void pfm_arch_show_session(struct seq_file *m)
+{}
+
+static inline int pfm_arch_initialize(void)
+{
+ return 0;
+}
+
+static inline int pfm_arch_load_context(struct pfm_context *ctx,
+ struct task_struct *task)
+{
+ return 0;
+}
+
+struct pfm_arch_context {
+ /* empty */
+};
+
+#define PFM_ARCH_CTX_SIZE sizeof(struct pfm_arch_context)
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_PPC64_PERFMON_H_ */
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