+/*
+ * Copyright (c) 2017-2019 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
#ifndef SYS_MONOTONIC_H
#define SYS_MONOTONIC_H
#include <stdbool.h>
#include <stdint.h>
#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+struct mt_cpu_inscyc {
+ uint64_t mtci_instructions;
+ uint64_t mtci_cycles;
+};
+
+__END_DECLS
+
+#if !MACH_KERNEL_PRIVATE
+
#include <sys/ioccom.h>
__BEGIN_DECLS
* XXX These declarations are subject to change at any time.
*/
+#define MT_IOC(x) _IO('m', (x))
+#define MT_IOC_RESET MT_IOC(0)
+#define MT_IOC_ADD MT_IOC(1)
+#define MT_IOC_ENABLE MT_IOC(2)
+#define MT_IOC_COUNTS MT_IOC(3)
+#define MT_IOC_GET_INFO MT_IOC(4)
+
+__END_DECLS
+
+#endif /* !MACH_KERNEL_PRIVATE */
+
+__BEGIN_DECLS
+
struct monotonic_config {
uint64_t event;
uint64_t allowed_ctr_mask;
+ uint64_t cpu_mask;
};
union monotonic_ctl_add {
} in;
};
+
union monotonic_ctl_counts {
struct {
uint64_t ctr_mask;
} out;
};
-#define MT_IOC(x) _IO('m', (x))
-/*
- * FIXME
- *
- * - Consider a separate IOC for disable -- to avoid the copyin to determine which way to set it.
- *
- * - Maybe IOC_COUNTS should just return all the enable counters' counts.
- */
-enum monotonic_ioc {
- MT_IOC_RESET = MT_IOC(0),
- MT_IOC_ADD = MT_IOC(1),
- MT_IOC_ENABLE = MT_IOC(2),
- MT_IOC_COUNTS = MT_IOC(3),
+union monotonic_ctl_info {
+ struct {
+ unsigned int nmonitors;
+ unsigned int ncounters;
+ } out;
};
-#undef MT_IOC
+__END_DECLS
#if XNU_KERNEL_PRIVATE
+#if MONOTONIC
+
#include <kern/monotonic.h>
#include <machine/monotonic.h>
#include <sys/kdebug.h>
#include <kern/locks.h>
+__BEGIN_DECLS
+
#ifdef MT_CORE_INSTRS
#define COUNTS_INSTRS __counts[MT_CORE_INSTRS]
#else /* defined(MT_CORE_INSTRS) */
#define MT_KDBG_TMPCPU_(CODE, FUNC) \
do { \
- if (kdebug_enable && \
- kdebug_debugid_enabled(MT_KDBG_TMPCPU_EVT(CODE))) { \
- uint64_t __counts[MT_CORE_NFIXED]; \
- mt_fixed_counts(__counts); \
- KDBG(MT_KDBG_TMPCPU_EVT(CODE) | (FUNC), COUNTS_INSTRS, \
- __counts[MT_CORE_CYCLES]); \
- } \
+ if (kdebug_enable && \
+ kdebug_debugid_enabled(MT_KDBG_TMPCPU_EVT(CODE))) { \
+ uint64_t __counts[MT_CORE_NFIXED]; \
+ mt_fixed_counts(__counts); \
+ KDBG(MT_KDBG_TMPCPU_EVT(CODE) | (FUNC), COUNTS_INSTRS, \
+ __counts[MT_CORE_CYCLES]); \
+ } \
} while (0)
#define MT_KDBG_TMPCPU(CODE) MT_KDBG_TMPCPU_(CODE, DBG_FUNC_NONE)
#define MT_KDBG_TMPTH_(CODE, FUNC) \
do { \
- if (kdebug_enable && \
- kdebug_debugid_enabled(MT_KDBG_TMPTH_EVT(CODE))) { \
- uint64_t __counts[MT_CORE_NFIXED]; \
- mt_cur_thread_fixed_counts(__counts); \
- KDBG(MT_KDBG_TMPTH_EVT(CODE) | (FUNC), COUNTS_INSTRS, \
- __counts[MT_CORE_CYCLES]); \
- } \
+ if (kdebug_enable && \
+ kdebug_debugid_enabled(MT_KDBG_TMPTH_EVT(CODE))) { \
+ uint64_t __counts[MT_CORE_NFIXED]; \
+ mt_cur_thread_fixed_counts(__counts); \
+ KDBG(MT_KDBG_TMPTH_EVT(CODE) | (FUNC), COUNTS_INSTRS, \
+ __counts[MT_CORE_CYCLES]); \
+ } \
} while (0)
#define MT_KDBG_TMPTH(CODE) MT_KDBG_TMPTH_(CODE, DBG_FUNC_NONE)
#define MT_KDBG_TMPTH_START(CODE) MT_KDBG_TMPTH_(CODE, DBG_FUNC_START)
#define MT_KDBG_TMPTH_END(CODE) MT_KDBG_TMPTH_(CODE, DBG_FUNC_END)
-/* maybe provider, bank, group, set, unit, pmu */
+extern lck_grp_t * mt_lock_grp;
+
+int mt_dev_init(void);
-struct monotonic_dev {
+struct mt_device {
const char *mtd_name;
- int (*mtd_init)(void);
- int (*mtd_add)(struct monotonic_config *config, uint32_t *ctr_out);
- void (*mtd_reset)(void);
- void (*mtd_enable)(bool enable);
- int (*mtd_read)(uint64_t ctr_mask, uint64_t *counts_out);
+ int(*const mtd_init)(struct mt_device *dev);
+ int(*const mtd_add)(struct monotonic_config *config, uint32_t *ctr_out);
+ void(*const mtd_reset)(void);
+ void(*const mtd_enable)(bool enable);
+ int(*const mtd_read)(uint64_t ctr_mask, uint64_t *counts_out);
+ decl_lck_mtx_data(, mtd_lock);
+
+ uint8_t mtd_nmonitors;
+ uint8_t mtd_ncounters;
+ bool mtd_inuse;
};
+typedef struct mt_device *mt_device_t;
-extern const struct monotonic_dev monotonic_devs[];
+extern struct mt_device mt_devices[];
-extern lck_grp_t *mt_lock_grp;
+__END_DECLS
-int mt_dev_init(void);
+#endif /* MONOTONIC */
#endif /* XNU_KERNEL_PRIVATE */
-__END_DECLS
-
#endif /* !defined(SYS_MONOTONIC_H) */
projects / apple / xnu.git / blobdiff