Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/reiserfs/@/sys/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/reiserfs/@/sys/pmclog.h |
/*- * Copyright (c) 2005-2007, Joseph Koshy * Copyright (c) 2007 The FreeBSD Foundation * All rights reserved. * * Portions of this software were developed by A. Joseph Koshy under * sponsorship from the FreeBSD Foundation and Google, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: release/9.1.0/sys/sys/pmclog.h 236238 2012-05-29 14:50:21Z fabient $ */ #ifndef _SYS_PMCLOG_H_ #define _SYS_PMCLOG_H_ #include <sys/pmc.h> enum pmclog_type { /* V1 ABI */ PMCLOG_TYPE_CLOSELOG, PMCLOG_TYPE_DROPNOTIFY, PMCLOG_TYPE_INITIALIZE, PMCLOG_TYPE_MAPPINGCHANGE, /* unused in v1 */ PMCLOG_TYPE_PCSAMPLE, PMCLOG_TYPE_PMCALLOCATE, PMCLOG_TYPE_PMCATTACH, PMCLOG_TYPE_PMCDETACH, PMCLOG_TYPE_PROCCSW, PMCLOG_TYPE_PROCEXEC, PMCLOG_TYPE_PROCEXIT, PMCLOG_TYPE_PROCFORK, PMCLOG_TYPE_SYSEXIT, PMCLOG_TYPE_USERDATA, /* * V2 ABI * * The MAP_{IN,OUT} event types obsolete the MAPPING_CHANGE * event type. The CALLCHAIN event type obsoletes the * PCSAMPLE event type. */ PMCLOG_TYPE_MAP_IN, PMCLOG_TYPE_MAP_OUT, PMCLOG_TYPE_CALLCHAIN, /* * V3 ABI * * New variant of PMCLOG_TYPE_PMCALLOCATE for dynamic event. */ PMCLOG_TYPE_PMCALLOCATEDYN }; /* * A log entry descriptor comprises of a 32 bit header and a 64 bit * time stamp followed by as many 32 bit words are required to record * the event. * * Header field format: * * 31 24 16 0 * +------------+------------+-----------------------------------+ * | MAGIC | TYPE | LENGTH | * +------------+------------+-----------------------------------+ * * MAGIC is the constant PMCLOG_HEADER_MAGIC. * TYPE contains a value of type enum pmclog_type. * LENGTH contains the length of the event record, in bytes. */ #define PMCLOG_ENTRY_HEADER \ uint32_t pl_header; \ uint32_t pl_ts_sec; \ uint32_t pl_ts_nsec; /* * The following structures are used to describe the size of each kind * of log entry to sizeof(). To keep the compiler from adding * padding, the fields of each structure are aligned to their natural * boundaries, and the structures are marked as 'packed'. * * The actual reading and writing of the log file is always in terms * of 4 byte quantities. */ struct pmclog_callchain { PMCLOG_ENTRY_HEADER uint32_t pl_pid; uint32_t pl_pmcid; uint32_t pl_cpuflags; /* 8 byte aligned */ uintptr_t pl_pc[PMC_CALLCHAIN_DEPTH_MAX]; } __packed; #define PMC_CALLCHAIN_CPUFLAGS_TO_CPU(CF) (((CF) >> 16) & 0xFFFF) #define PMC_CALLCHAIN_CPUFLAGS_TO_USERMODE(CF) ((CF) & PMC_CC_F_USERSPACE) #define PMC_CALLCHAIN_TO_CPUFLAGS(CPU,FLAGS) \ (((CPU) << 16) | ((FLAGS) & 0xFFFF)) struct pmclog_closelog { PMCLOG_ENTRY_HEADER }; struct pmclog_dropnotify { PMCLOG_ENTRY_HEADER }; struct pmclog_initialize { PMCLOG_ENTRY_HEADER uint32_t pl_version; /* driver version */ uint32_t pl_cpu; /* enum pmc_cputype */ } __packed; struct pmclog_map_in { PMCLOG_ENTRY_HEADER uint32_t pl_pid; uintfptr_t pl_start; /* 8 byte aligned */ char pl_pathname[PATH_MAX]; } __packed; struct pmclog_map_out { PMCLOG_ENTRY_HEADER uint32_t pl_pid; uintfptr_t pl_start; /* 8 byte aligned */ uintfptr_t pl_end; } __packed; struct pmclog_pcsample { PMCLOG_ENTRY_HEADER uint32_t pl_pid; uintfptr_t pl_pc; /* 8 byte aligned */ uint32_t pl_pmcid; uint32_t pl_usermode; } __packed; struct pmclog_pmcallocate { PMCLOG_ENTRY_HEADER uint32_t pl_pmcid; uint32_t pl_event; uint32_t pl_flags; } __packed; struct pmclog_pmcattach { PMCLOG_ENTRY_HEADER uint32_t pl_pmcid; uint32_t pl_pid; char pl_pathname[PATH_MAX]; } __packed; struct pmclog_pmcdetach { PMCLOG_ENTRY_HEADER uint32_t pl_pmcid; uint32_t pl_pid; } __packed; struct pmclog_proccsw { PMCLOG_ENTRY_HEADER uint32_t pl_pmcid; uint64_t pl_value; /* keep 8 byte aligned */ uint32_t pl_pid; } __packed; struct pmclog_procexec { PMCLOG_ENTRY_HEADER uint32_t pl_pid; uintfptr_t pl_start; /* keep 8 byte aligned */ uint32_t pl_pmcid; char pl_pathname[PATH_MAX]; } __packed; struct pmclog_procexit { PMCLOG_ENTRY_HEADER uint32_t pl_pmcid; uint64_t pl_value; /* keep 8 byte aligned */ uint32_t pl_pid; } __packed; struct pmclog_procfork { PMCLOG_ENTRY_HEADER uint32_t pl_oldpid; uint32_t pl_newpid; } __packed; struct pmclog_sysexit { PMCLOG_ENTRY_HEADER uint32_t pl_pid; } __packed; struct pmclog_userdata { PMCLOG_ENTRY_HEADER uint32_t pl_userdata; } __packed; struct pmclog_pmcallocatedyn { PMCLOG_ENTRY_HEADER uint32_t pl_pmcid; uint32_t pl_event; uint32_t pl_flags; char pl_evname[PMC_NAME_MAX]; } __packed; union pmclog_entry { /* only used to size scratch areas */ struct pmclog_callchain pl_cc; struct pmclog_closelog pl_cl; struct pmclog_dropnotify pl_dn; struct pmclog_initialize pl_i; struct pmclog_map_in pl_mi; struct pmclog_map_out pl_mo; struct pmclog_pcsample pl_s; struct pmclog_pmcallocate pl_a; struct pmclog_pmcallocatedyn pl_ad; struct pmclog_pmcattach pl_t; struct pmclog_pmcdetach pl_d; struct pmclog_proccsw pl_c; struct pmclog_procexec pl_x; struct pmclog_procexit pl_e; struct pmclog_procfork pl_f; struct pmclog_sysexit pl_se; struct pmclog_userdata pl_u; }; #define PMCLOG_HEADER_MAGIC 0xEEU #define PMCLOG_HEADER_TO_LENGTH(H) \ ((H) & 0x0000FFFF) #define PMCLOG_HEADER_TO_TYPE(H) \ (((H) & 0x00FF0000) >> 16) #define PMCLOG_HEADER_TO_MAGIC(H) \ (((H) & 0xFF000000) >> 24) #define PMCLOG_HEADER_CHECK_MAGIC(H) \ (PMCLOG_HEADER_TO_MAGIC(H) == PMCLOG_HEADER_MAGIC) #ifdef _KERNEL /* * Prototypes */ int pmclog_configure_log(struct pmc_mdep *_md, struct pmc_owner *_po, int _logfd); int pmclog_deconfigure_log(struct pmc_owner *_po); int pmclog_flush(struct pmc_owner *_po); int pmclog_close(struct pmc_owner *_po); void pmclog_initialize(void); void pmclog_process_callchain(struct pmc *_pm, struct pmc_sample *_ps); void pmclog_process_closelog(struct pmc_owner *po); void pmclog_process_dropnotify(struct pmc_owner *po); void pmclog_process_map_in(struct pmc_owner *po, pid_t pid, uintfptr_t start, const char *path); void pmclog_process_map_out(struct pmc_owner *po, pid_t pid, uintfptr_t start, uintfptr_t end); void pmclog_process_pmcallocate(struct pmc *_pm); void pmclog_process_pmcattach(struct pmc *_pm, pid_t _pid, char *_path); void pmclog_process_pmcdetach(struct pmc *_pm, pid_t _pid); void pmclog_process_proccsw(struct pmc *_pm, struct pmc_process *_pp, pmc_value_t _v); void pmclog_process_procexec(struct pmc_owner *_po, pmc_id_t _pmid, pid_t _pid, uintfptr_t _startaddr, char *_path); void pmclog_process_procexit(struct pmc *_pm, struct pmc_process *_pp); void pmclog_process_procfork(struct pmc_owner *_po, pid_t _oldpid, pid_t _newpid); void pmclog_process_sysexit(struct pmc_owner *_po, pid_t _pid); int pmclog_process_userlog(struct pmc_owner *_po, struct pmc_op_writelog *_wl); void pmclog_shutdown(void); #endif /* _KERNEL */ #endif /* _SYS_PMCLOG_H_ */