hwpmc_logging: less macro magic for type names
Provide the log type names in their entirely, rather than relying on the macro to prepend the prefix. This improves their searchability; for example, if I see PMCLOG_TYPE_PMCALLOCATE in libpmc I will now be able to find where that is emitted in the kernel with a simple grep. Reviewed by: jkoshy, emaste MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D39911
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31610e34b7
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@ -110,9 +110,7 @@ static struct mtx pmc_kthread_mtx; /* sleep lock */
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* Log file record constructors.
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*/
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#define _PMCLOG_TO_HEADER(T,L) \
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((PMCLOG_HEADER_MAGIC << 24) | \
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(PMCLOG_TYPE_ ## T << 16) | \
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((L) & 0xFFFF))
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((PMCLOG_HEADER_MAGIC << 24) | (T << 16) | ((L) & 0xFFFF))
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/* reserve LEN bytes of space and initialize the entry header */
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#define _PMCLOG_RESERVE_SAFE(PO,TYPE,LEN,ACTION, TSC) do { \
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@ -716,7 +714,7 @@ pmclog_configure_log(struct pmc_mdep *md, struct pmc_owner *po, int logfd)
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PROC_UNLOCK(p);
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nanotime(&ts);
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/* create a log initialization entry */
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PMCLOG_RESERVE_WITH_ERROR(po, INITIALIZE,
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PMCLOG_RESERVE_WITH_ERROR(po, PMCLOG_TYPE_INITIALIZE,
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sizeof(struct pmclog_initialize));
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PMCLOG_EMIT32(PMC_VERSION);
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PMCLOG_EMIT32(md->pmd_cputype);
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@ -916,7 +914,7 @@ pmclog_process_callchain(struct pmc *pm, struct pmc_sample *ps)
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ps->ps_nsamples * sizeof(uintfptr_t);
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po = pm->pm_owner;
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flags = PMC_CALLCHAIN_TO_CPUFLAGS(ps->ps_cpu,ps->ps_flags);
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PMCLOG_RESERVE_SAFE(po, CALLCHAIN, recordlen, ps->ps_tsc);
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PMCLOG_RESERVE_SAFE(po, PMCLOG_TYPE_CALLCHAIN, recordlen, ps->ps_tsc);
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PMCLOG_EMIT32(ps->ps_pid);
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PMCLOG_EMIT32(ps->ps_tid);
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PMCLOG_EMIT32(pm->pm_id);
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@ -929,14 +927,16 @@ pmclog_process_callchain(struct pmc *pm, struct pmc_sample *ps)
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void
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pmclog_process_closelog(struct pmc_owner *po)
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{
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PMCLOG_RESERVE(po,CLOSELOG,sizeof(struct pmclog_closelog));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_CLOSELOG,
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sizeof(struct pmclog_closelog));
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PMCLOG_DESPATCH_SYNC(po);
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}
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void
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pmclog_process_dropnotify(struct pmc_owner *po)
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{
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PMCLOG_RESERVE(po,DROPNOTIFY,sizeof(struct pmclog_dropnotify));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_DROPNOTIFY,
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sizeof(struct pmclog_dropnotify));
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PMCLOG_DESPATCH(po);
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}
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@ -952,7 +952,7 @@ pmclog_process_map_in(struct pmc_owner *po, pid_t pid, uintfptr_t start,
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recordlen = offsetof(struct pmclog_map_in, pl_pathname) +
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pathlen;
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PMCLOG_RESERVE(po, MAP_IN, recordlen);
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PMCLOG_RESERVE(po, PMCLOG_TYPE_MAP_IN, recordlen);
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PMCLOG_EMIT32(pid);
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PMCLOG_EMIT32(0);
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PMCLOG_EMITADDR(start);
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@ -966,7 +966,7 @@ pmclog_process_map_out(struct pmc_owner *po, pid_t pid, uintfptr_t start,
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{
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KASSERT(start <= end, ("[pmclog,%d] start > end", __LINE__));
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PMCLOG_RESERVE(po, MAP_OUT, sizeof(struct pmclog_map_out));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_MAP_OUT, sizeof(struct pmclog_map_out));
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PMCLOG_EMIT32(pid);
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PMCLOG_EMIT32(0);
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PMCLOG_EMITADDR(start);
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@ -985,7 +985,7 @@ pmclog_process_pmcallocate(struct pmc *pm)
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PMCDBG1(LOG,ALL,1, "pm=%p", pm);
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if (PMC_TO_CLASS(pm) == PMC_CLASS_SOFT) {
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PMCLOG_RESERVE(po, PMCALLOCATEDYN,
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PMCLOG_RESERVE(po, PMCLOG_TYPE_PMCALLOCATEDYN,
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sizeof(struct pmclog_pmcallocatedyn));
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PMCLOG_EMIT32(pm->pm_id);
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PMCLOG_EMIT32(pm->pm_event);
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@ -1000,7 +1000,7 @@ pmclog_process_pmcallocate(struct pmc *pm)
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pmc_soft_ev_release(ps);
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PMCLOG_DESPATCH_SYNC(po);
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} else {
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PMCLOG_RESERVE(po, PMCALLOCATE,
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PMCLOG_RESERVE(po, PMCLOG_TYPE_PMCALLOCATE,
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sizeof(struct pmclog_pmcallocate));
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PMCLOG_EMIT32(pm->pm_id);
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PMCLOG_EMIT32(pm->pm_event);
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@ -1024,7 +1024,7 @@ pmclog_process_pmcattach(struct pmc *pm, pid_t pid, char *path)
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pathlen = strlen(path) + 1; /* #bytes for the string */
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recordlen = offsetof(struct pmclog_pmcattach, pl_pathname) + pathlen;
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PMCLOG_RESERVE(po, PMCATTACH, recordlen);
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PMCLOG_RESERVE(po, PMCLOG_TYPE_PMCATTACH, recordlen);
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PMCLOG_EMIT32(pm->pm_id);
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PMCLOG_EMIT32(pid);
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PMCLOG_EMITSTRING(path, pathlen);
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@ -1040,7 +1040,8 @@ pmclog_process_pmcdetach(struct pmc *pm, pid_t pid)
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po = pm->pm_owner;
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PMCLOG_RESERVE(po, PMCDETACH, sizeof(struct pmclog_pmcdetach));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_PMCDETACH,
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sizeof(struct pmclog_pmcdetach));
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PMCLOG_EMIT32(pm->pm_id);
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PMCLOG_EMIT32(pid);
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PMCLOG_DESPATCH_SYNC(po);
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@ -1050,13 +1051,15 @@ void
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pmclog_process_proccreate(struct pmc_owner *po, struct proc *p, int sync)
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{
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if (sync) {
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PMCLOG_RESERVE(po, PROC_CREATE, sizeof(struct pmclog_proccreate));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_PROC_CREATE,
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sizeof(struct pmclog_proccreate));
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PMCLOG_EMIT32(p->p_pid);
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PMCLOG_EMIT32(p->p_flag);
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PMCLOG_EMITSTRING(p->p_comm, MAXCOMLEN+1);
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PMCLOG_DESPATCH_SYNC(po);
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} else {
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PMCLOG_RESERVE(po, PROC_CREATE, sizeof(struct pmclog_proccreate));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_PROC_CREATE,
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sizeof(struct pmclog_proccreate));
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PMCLOG_EMIT32(p->p_pid);
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PMCLOG_EMIT32(p->p_flag);
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PMCLOG_EMITSTRING(p->p_comm, MAXCOMLEN+1);
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@ -1081,7 +1084,8 @@ pmclog_process_proccsw(struct pmc *pm, struct pmc_process *pp, pmc_value_t v, st
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po = pm->pm_owner;
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PMCLOG_RESERVE_SAFE(po, PROCCSW, sizeof(struct pmclog_proccsw), pmc_rdtsc());
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PMCLOG_RESERVE_SAFE(po, PMCLOG_TYPE_PROCCSW,
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sizeof(struct pmclog_proccsw), pmc_rdtsc());
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PMCLOG_EMIT64(v);
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PMCLOG_EMIT32(pm->pm_id);
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PMCLOG_EMIT32(pp->pp_proc->p_pid);
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@ -1100,7 +1104,7 @@ pmclog_process_procexec(struct pmc_owner *po, pmc_id_t pmid, pid_t pid,
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pathlen = strlen(path) + 1; /* #bytes for the path */
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recordlen = offsetof(struct pmclog_procexec, pl_pathname) + pathlen;
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PMCLOG_RESERVE(po, PROCEXEC, recordlen);
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PMCLOG_RESERVE(po, PMCLOG_TYPE_PROCEXEC, recordlen);
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PMCLOG_EMIT32(pid);
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PMCLOG_EMIT32(pmid);
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PMCLOG_EMITADDR(startaddr);
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@ -1124,7 +1128,8 @@ pmclog_process_procexit(struct pmc *pm, struct pmc_process *pp)
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po = pm->pm_owner;
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PMCLOG_RESERVE(po, PROCEXIT, sizeof(struct pmclog_procexit));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_PROCEXIT,
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sizeof(struct pmclog_procexit));
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PMCLOG_EMIT32(pm->pm_id);
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PMCLOG_EMIT32(pp->pp_proc->p_pid);
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PMCLOG_EMIT64(pp->pp_pmcs[ri].pp_pmcval);
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@ -1138,7 +1143,8 @@ pmclog_process_procexit(struct pmc *pm, struct pmc_process *pp)
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void
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pmclog_process_procfork(struct pmc_owner *po, pid_t oldpid, pid_t newpid)
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{
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PMCLOG_RESERVE(po, PROCFORK, sizeof(struct pmclog_procfork));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_PROCFORK,
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sizeof(struct pmclog_procfork));
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PMCLOG_EMIT32(oldpid);
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PMCLOG_EMIT32(newpid);
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PMCLOG_DESPATCH(po);
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@ -1151,7 +1157,7 @@ pmclog_process_procfork(struct pmc_owner *po, pid_t oldpid, pid_t newpid)
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void
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pmclog_process_sysexit(struct pmc_owner *po, pid_t pid)
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{
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PMCLOG_RESERVE(po, SYSEXIT, sizeof(struct pmclog_sysexit));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_SYSEXIT, sizeof(struct pmclog_sysexit));
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PMCLOG_EMIT32(pid);
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PMCLOG_DESPATCH(po);
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}
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@ -1163,7 +1169,8 @@ pmclog_process_threadcreate(struct pmc_owner *po, struct thread *td, int sync)
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p = td->td_proc;
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if (sync) {
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PMCLOG_RESERVE(po, THR_CREATE, sizeof(struct pmclog_threadcreate));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_THR_CREATE,
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sizeof(struct pmclog_threadcreate));
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PMCLOG_EMIT32(td->td_tid);
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PMCLOG_EMIT32(p->p_pid);
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PMCLOG_EMIT32(p->p_flag);
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@ -1171,7 +1178,8 @@ pmclog_process_threadcreate(struct pmc_owner *po, struct thread *td, int sync)
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PMCLOG_EMITSTRING(td->td_name, MAXCOMLEN+1);
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PMCLOG_DESPATCH_SYNC(po);
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} else {
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PMCLOG_RESERVE(po, THR_CREATE, sizeof(struct pmclog_threadcreate));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_THR_CREATE,
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sizeof(struct pmclog_threadcreate));
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PMCLOG_EMIT32(td->td_tid);
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PMCLOG_EMIT32(p->p_pid);
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PMCLOG_EMIT32(p->p_flag);
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@ -1185,7 +1193,8 @@ void
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pmclog_process_threadexit(struct pmc_owner *po, struct thread *td)
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{
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PMCLOG_RESERVE(po, THR_EXIT, sizeof(struct pmclog_threadexit));
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PMCLOG_RESERVE(po, PMCLOG_TYPE_THR_EXIT,
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sizeof(struct pmclog_threadexit));
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PMCLOG_EMIT32(td->td_tid);
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PMCLOG_DESPATCH(po);
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}
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@ -1203,7 +1212,7 @@ pmclog_process_userlog(struct pmc_owner *po, struct pmc_op_writelog *wl)
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error = 0;
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PMCLOG_RESERVE_WITH_ERROR(po, USERDATA,
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PMCLOG_RESERVE_WITH_ERROR(po, PMCLOG_TYPE_USERDATA,
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sizeof(struct pmclog_userdata));
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PMCLOG_EMIT32(wl->pm_userdata);
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PMCLOG_DESPATCH(po);
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