148 lines
3.9 KiB
C
148 lines
3.9 KiB
C
#ifndef __PROCESS_PROFILE_H_
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#define __PROCESS_PROFILE_H_
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#ifdef PROFILE_ENABLE
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#define PROFILE_SYSCALL_MAX 2000
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#define PROFILE_OFFLOAD_MAX (PROFILE_SYSCALL_MAX << 1)
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#define PROFILE_EVENT_MIN PROFILE_OFFLOAD_MAX
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#define PROF_JOB 0x40000000
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#define PROF_PROC 0x80000000
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#define PROF_CLEAR 0x01
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#define PROF_ON 0x02
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#define PROF_OFF 0x04
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#define PROF_PRINT 0x08
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struct profile_event {
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uint32_t cnt;
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uint64_t tsc;
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};
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/*
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* The layout of profile events is as follows:
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* [0,PROFILE_SYSCALL_MAX) - syscalls
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* [PROFILE_SYSCALL_MAX,PROFILE_OFFLOAD_MAX) - syscall offloads
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* [PROFILE_OFFLOAD_MAX,PROFILE_EVENT_MAX) - general events
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*
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* XXX: Make sure to fill in prof_event_names in profile.c
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* for each added profiled event.
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*/
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enum profile_event_type {
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PROFILE_tlb_invalidate = PROFILE_EVENT_MIN,
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PROFILE_page_fault,
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PROFILE_page_fault_anon_clr,
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PROFILE_page_fault_file,
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PROFILE_page_fault_dev_file,
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PROFILE_page_fault_file_clr,
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PROFILE_remote_page_fault,
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PROFILE_mpol_alloc_missed,
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PROFILE_mmap_anon_contig_phys,
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PROFILE_mmap_anon_straight,
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PROFILE_mmap_anon_not_straight,
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PROFILE_mmap_anon_no_contig_phys,
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PROFILE_mmap_regular_file,
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PROFILE_mmap_device_file,
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PROFILE_tofu_stag_alloc,
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PROFILE_tofu_stag_alloc_new_steering,
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PROFILE_tofu_stag_alloc_new_steering_alloc_mbpt,
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PROFILE_tofu_stag_alloc_new_steering_update_mbpt,
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PROFILE_tofu_stag_free_stags,
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PROFILE_tofu_stag_free_stag,
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PROFILE_tofu_stag_free_stag_pre,
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PROFILE_tofu_stag_free_stag_cqflush,
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PROFILE_tofu_stag_free_stag_dealloc,
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PROFILE_tofu_stag_free_stag_dealloc_free_pages,
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PROFILE_EVENT_MAX /* Should be the last event type */
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};
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#ifdef __KERNEL__
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struct thread;
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struct process;
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enum profile_event_type profile_syscall2offload(enum profile_event_type sc);
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void profile_event_add(enum profile_event_type type, uint64_t tsc);
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void profile_print_thread_stats(struct thread *thread);
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void profile_print_proc_stats(struct process *proc);
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void profile_print_job_stats(struct process *proc);
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void profile_accumulate_events(struct thread *thread, struct process *proc);
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int profile_accumulate_and_print_job_events(struct process *proc);
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int profile_alloc_events(struct thread *thread);
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void profile_dealloc_thread_events(struct thread *thread);
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void profile_dealloc_proc_events(struct process *proc);
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#else // User space interface
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#include <unistd.h>
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#include <sys/syscall.h>
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#define __NR_profile PROFILE_EVENT_MAX
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/* Per-thread */
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static inline void mckernel_profile_thread_on(void)
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{
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syscall(__NR_profile, PROF_ON);
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}
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static inline void mckernel_profile_thread_off(void)
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{
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syscall(__NR_profile, PROF_OFF);
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}
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static inline void mckernel_profile_thread_print(void)
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{
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syscall(__NR_profile, PROF_PRINT);
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}
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static inline void mckernel_profile_thread_print_off(void)
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{
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syscall(__NR_profile, PROF_OFF | PROF_PRINT);
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}
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/* Per-process */
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static inline void mckernel_profile_process_on(void)
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{
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syscall(__NR_profile, PROF_PROC | PROF_ON);
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}
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static inline void mckernel_profile_process_off(void)
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{
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syscall(__NR_profile, PROF_PROC | PROF_OFF);
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}
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static inline void mckernel_profile_process_print(void)
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{
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syscall(__NR_profile, PROF_PROC | PROF_PRINT);
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}
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static inline void mckernel_profile_process_print_off(void)
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{
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syscall(__NR_profile, PROF_PROC | PROF_OFF | PROF_PRINT);
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}
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/* Per-job */
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static inline void mckernel_profile_job_on(void)
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{
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syscall(__NR_profile, PROF_JOB | PROF_ON);
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}
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static inline void mckernel_profile_job_off(void)
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{
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syscall(__NR_profile, PROF_JOB | PROF_OFF);
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}
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static inline void mckernel_profile_job_print(void)
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{
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syscall(__NR_profile, PROF_JOB | PROF_PRINT);
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}
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static inline void mckernel_profile_job_print_off(void)
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{
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syscall(__NR_profile, PROF_JOB | PROF_OFF | PROF_PRINT);
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}
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#endif // __KERNEL__
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#endif // PROFILE_ENABLE
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#endif // __PROCESS_PROFILE_H_
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