X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Frcu.h;fp=instrumentation%2Fevents%2Flttng-module%2Frcu.h;h=0000000000000000000000000000000000000000;hb=7c6d929d62a6e24fb1dbeaee5cd2c8afe77720b7;hp=9c7a6de1cd662270d01bdc7d4ae32b8b138737d5;hpb=cf77d12083b5092eca8c6f9899ec0892756845aa;p=lttng-modules.git diff --git a/instrumentation/events/lttng-module/rcu.h b/instrumentation/events/lttng-module/rcu.h deleted file mode 100644 index 9c7a6de1..00000000 --- a/instrumentation/events/lttng-module/rcu.h +++ /dev/null @@ -1,964 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -#undef TRACE_SYSTEM -#define TRACE_SYSTEM rcu - -#if !defined(LTTNG_TRACE_RCU_H) || defined(TRACE_HEADER_MULTI_READ) -#define LTTNG_TRACE_RCU_H - -#include -#include - -/* - * Tracepoint for start/end markers used for utilization calculations. - * By convention, the string is of the following forms: - * - * "Start " -- Mark the start of the specified activity, - * such as "context switch". Nesting is permitted. - * "End " -- Mark the end of the specified activity. - * - * An "@" character within "" is a comment character: Data - * reduction scripts will ignore the "@" and the remainder of the line. - */ -LTTNG_TRACEPOINT_EVENT(rcu_utilization, - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) - TP_PROTO(const char *s), -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *s), -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - - TP_ARGS(s), - - TP_FIELDS( - ctf_string(s, s) - ) -) - -#ifdef CONFIG_RCU_TRACE - -#if defined(CONFIG_TREE_RCU) \ - || (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) \ - && defined(CONFIG_PREEMPT_RCU)) \ - || defined(CONFIG_TREE_PREEMPT_RCU) - -/* - * Tracepoint for grace-period events: starting and ending a grace - * period ("start" and "end", respectively), a CPU noting the start - * of a new grace period or the end of an old grace period ("cpustart" - * and "cpuend", respectively), a CPU passing through a quiescent - * state ("cpuqs"), a CPU coming online or going offline ("cpuonl" - * and "cpuofl", respectively), and a CPU being kicked for being too - * long in dyntick-idle mode ("kick"). - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0) || \ - LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) -LTTNG_TRACEPOINT_EVENT(rcu_grace_period, - - TP_PROTO(const char *rcuname, unsigned long gp_seq, const char *gpevent), - - TP_ARGS(rcuname, gp_seq, gpevent), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gp_seq, gp_seq) - ctf_string(gpevent, gpevent) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_grace_period, - - TP_PROTO(const char *rcuname, unsigned long gpnum, const char *gpevent), - - TP_ARGS(rcuname, gpnum, gpevent), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_string(gpevent, gpevent) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_grace_period, - - TP_PROTO(char *rcuname, unsigned long gpnum, char *gpevent), - - TP_ARGS(rcuname, gpnum, gpevent), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_string(gpevent, gpevent) - ) -) -#endif - -/* - * Tracepoint for grace-period-initialization events. These are - * distinguished by the type of RCU, the new grace-period number, the - * rcu_node structure level, the starting and ending CPU covered by the - * rcu_node structure, and the mask of CPUs that will be waited for. - * All but the type of RCU are extracted from the rcu_node structure. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0) || \ - LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) -LTTNG_TRACEPOINT_EVENT(rcu_grace_period_init, - - TP_PROTO(const char *rcuname, unsigned long gp_seq, u8 level, - int grplo, int grphi, unsigned long qsmask), - - TP_ARGS(rcuname, gp_seq, level, grplo, grphi, qsmask), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gp_seq, gp_seq) - ctf_integer(u8, level, level) - ctf_integer(int, grplo, grplo) - ctf_integer(int, grphi, grphi) - ctf_integer(unsigned long, qsmask, qsmask) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_grace_period_init, - - TP_PROTO(const char *rcuname, unsigned long gpnum, u8 level, - int grplo, int grphi, unsigned long qsmask), - - TP_ARGS(rcuname, gpnum, level, grplo, grphi, qsmask), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(u8, level, level) - ctf_integer(int, grplo, grplo) - ctf_integer(int, grphi, grphi) - ctf_integer(unsigned long, qsmask, qsmask) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_grace_period_init, - - TP_PROTO(char *rcuname, unsigned long gpnum, u8 level, - int grplo, int grphi, unsigned long qsmask), - - TP_ARGS(rcuname, gpnum, level, grplo, grphi, qsmask), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(u8, level, level) - ctf_integer(int, grplo, grplo) - ctf_integer(int, grphi, grphi) - ctf_integer(unsigned long, qsmask, qsmask) - ) -) -#endif - -/* - * Tracepoint for tasks blocking within preemptible-RCU read-side - * critical sections. Track the type of RCU (which one day might - * include SRCU), the grace-period number that the task is blocking - * (the current or the next), and the task's PID. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0) || \ - LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) -LTTNG_TRACEPOINT_EVENT(rcu_preempt_task, - - TP_PROTO(const char *rcuname, int pid, unsigned long gp_seq), - - TP_ARGS(rcuname, pid, gp_seq), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gp_seq, gp_seq) - ctf_integer(int, pid, pid) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_preempt_task, - - TP_PROTO(const char *rcuname, int pid, unsigned long gpnum), - - TP_ARGS(rcuname, pid, gpnum), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(int, pid, pid) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_preempt_task, - - TP_PROTO(char *rcuname, int pid, unsigned long gpnum), - - TP_ARGS(rcuname, pid, gpnum), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(int, pid, pid) - ) -) -#endif - -/* - * Tracepoint for tasks that blocked within a given preemptible-RCU - * read-side critical section exiting that critical section. Track the - * type of RCU (which one day might include SRCU) and the task's PID. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0) || \ - LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) -LTTNG_TRACEPOINT_EVENT(rcu_unlock_preempted_task, - - TP_PROTO(const char *rcuname, unsigned long gp_seq, int pid), - - TP_ARGS(rcuname, gp_seq, pid), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gp_seq, gp_seq) - ctf_integer(int, pid, pid) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_unlock_preempted_task, - - TP_PROTO(const char *rcuname, unsigned long gpnum, int pid), - - TP_ARGS(rcuname, gpnum, pid), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(int, pid, pid) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_unlock_preempted_task, - - TP_PROTO(char *rcuname, unsigned long gpnum, int pid), - - TP_ARGS(rcuname, gpnum, pid), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(int, pid, pid) - ) -) -#endif - -/* - * Tracepoint for quiescent-state-reporting events. These are - * distinguished by the type of RCU, the grace-period number, the - * mask of quiescent lower-level entities, the rcu_node structure level, - * the starting and ending CPU covered by the rcu_node structure, and - * whether there are any blocked tasks blocking the current grace period. - * All but the type of RCU are extracted from the rcu_node structure. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0) || \ - LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) -LTTNG_TRACEPOINT_EVENT(rcu_quiescent_state_report, - - TP_PROTO(const char *rcuname, unsigned long gp_seq, - unsigned long mask, unsigned long qsmask, - u8 level, int grplo, int grphi, int gp_tasks), - - TP_ARGS(rcuname, gp_seq, mask, qsmask, level, grplo, grphi, gp_tasks), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gp_seq, gp_seq) - ctf_integer(unsigned long, mask, mask) - ctf_integer(unsigned long, qsmask, qsmask) - ctf_integer(u8, level, level) - ctf_integer(int, grplo, grplo) - ctf_integer(int, grphi, grphi) - ctf_integer(u8, gp_tasks, gp_tasks) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_quiescent_state_report, - - TP_PROTO(const char *rcuname, unsigned long gpnum, - unsigned long mask, unsigned long qsmask, - u8 level, int grplo, int grphi, int gp_tasks), - - TP_ARGS(rcuname, gpnum, mask, qsmask, level, grplo, grphi, gp_tasks), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(unsigned long, mask, mask) - ctf_integer(unsigned long, qsmask, qsmask) - ctf_integer(u8, level, level) - ctf_integer(int, grplo, grplo) - ctf_integer(int, grphi, grphi) - ctf_integer(u8, gp_tasks, gp_tasks) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_quiescent_state_report, - - TP_PROTO(char *rcuname, unsigned long gpnum, - unsigned long mask, unsigned long qsmask, - u8 level, int grplo, int grphi, int gp_tasks), - - TP_ARGS(rcuname, gpnum, mask, qsmask, level, grplo, grphi, gp_tasks), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(unsigned long, mask, mask) - ctf_integer(unsigned long, qsmask, qsmask) - ctf_integer(u8, level, level) - ctf_integer(int, grplo, grplo) - ctf_integer(int, grphi, grphi) - ctf_integer(u8, gp_tasks, gp_tasks) - ) -) -#endif - -/* - * Tracepoint for quiescent states detected by force_quiescent_state(). - * These trace events include the type of RCU, the grace-period number - * that was blocked by the CPU, the CPU itself, and the type of quiescent - * state, which can be "dti" for dyntick-idle mode, "ofl" for CPU offline, - * or "kick" when kicking a CPU that has been in dyntick-idle mode for - * too long. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0) || \ - LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) -LTTNG_TRACEPOINT_EVENT(rcu_fqs, - - TP_PROTO(const char *rcuname, unsigned long gp_seq, int cpu, const char *qsevent), - - TP_ARGS(rcuname, gp_seq, cpu, qsevent), - - TP_FIELDS( - ctf_integer(unsigned long, gp_seq, gp_seq) - ctf_integer(int, cpu, cpu) - ctf_string(rcuname, rcuname) - ctf_string(qsevent, qsevent) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_fqs, - - TP_PROTO(const char *rcuname, unsigned long gpnum, int cpu, const char *qsevent), - - TP_ARGS(rcuname, gpnum, cpu, qsevent), - - TP_FIELDS( - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(int, cpu, cpu) - ctf_string(rcuname, rcuname) - ctf_string(qsevent, qsevent) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_fqs, - - TP_PROTO(char *rcuname, unsigned long gpnum, int cpu, char *qsevent), - - TP_ARGS(rcuname, gpnum, cpu, qsevent), - - TP_FIELDS( - ctf_integer(unsigned long, gpnum, gpnum) - ctf_integer(int, cpu, cpu) - ctf_string(rcuname, rcuname) - ctf_string(qsevent, qsevent) - ) -) -#endif - -#endif /* - * #if defined(CONFIG_TREE_RCU) - * || (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) - * && defined(CONFIG_PREEMPT_RCU)) - * || defined(CONFIG_TREE_PREEMPT_RCU) - */ - -/* - * Tracepoint for dyntick-idle entry/exit events. These take a string - * as argument: "Start" for entering dyntick-idle mode, "End" for - * leaving it, "--=" for events moving towards idle, and "++=" for events - * moving away from idle. "Error on entry: not idle task" and "Error on - * exit: not idle task" indicate that a non-idle task is erroneously - * toying with the idle loop. - * - * These events also take a pair of numbers, which indicate the nesting - * depth before and after the event of interest. Note that task-related - * events use the upper bits of each number, while interrupt-related - * events use the lower bits. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) \ - || LTTNG_KERNEL_RANGE(5,5,6, 5,6,0) \ - || LTTNG_KERNEL_RANGE(5,4,22, 5,5,0) -LTTNG_TRACEPOINT_EVENT(rcu_dyntick, - - TP_PROTO(const char *polarity, long oldnesting, long newnesting, int dynticks), - - TP_ARGS(polarity, oldnesting, newnesting, dynticks), - - TP_FIELDS( - ctf_string(polarity, polarity) - ctf_integer(long, oldnesting, oldnesting) - ctf_integer(long, newnesting, newnesting) - ctf_integer(int, dynticks, dynticks) - ) -) - -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,16,0)) -LTTNG_TRACEPOINT_EVENT(rcu_dyntick, - - TP_PROTO(const char *polarity, long oldnesting, long newnesting, atomic_t dynticks), - - TP_ARGS(polarity, oldnesting, newnesting, dynticks), - - TP_FIELDS( - ctf_string(polarity, polarity) - ctf_integer(long, oldnesting, oldnesting) - ctf_integer(long, newnesting, newnesting) - ctf_integer(int, dynticks, atomic_read(&dynticks)) - ) -) - -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_dyntick, - - TP_PROTO(const char *polarity, long long oldnesting, long long newnesting), - - TP_ARGS(polarity, oldnesting, newnesting), - - TP_FIELDS( - ctf_string(polarity, polarity) - ctf_integer(long long, oldnesting, oldnesting) - ctf_integer(long long, newnesting, newnesting) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) -LTTNG_TRACEPOINT_EVENT(rcu_dyntick, - - TP_PROTO(char *polarity, long long oldnesting, long long newnesting), - - TP_ARGS(polarity, oldnesting, newnesting), - - TP_FIELDS( - ctf_string(polarity, polarity) - ctf_integer(long long, oldnesting, oldnesting) - ctf_integer(long long, newnesting, newnesting) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_dyntick, - - TP_PROTO(char *polarity), - - TP_ARGS(polarity), - - TP_FIELDS( - ctf_string(polarity, polarity) - ) -) -#endif - - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) -/* - * Tracepoint for RCU preparation for idle, the goal being to get RCU - * processing done so that the current CPU can shut off its scheduling - * clock and enter dyntick-idle mode. One way to accomplish this is - * to drain all RCU callbacks from this CPU, and the other is to have - * done everything RCU requires for the current grace period. In this - * latter case, the CPU will be awakened at the end of the current grace - * period in order to process the remainder of its callbacks. - * - * These tracepoints take a string as argument: - * - * "No callbacks": Nothing to do, no callbacks on this CPU. - * "In holdoff": Nothing to do, holding off after unsuccessful attempt. - * "Begin holdoff": Attempt failed, don't retry until next jiffy. - * "Dyntick with callbacks": Entering dyntick-idle despite callbacks. - * "Dyntick with lazy callbacks": Entering dyntick-idle w/lazy callbacks. - * "More callbacks": Still more callbacks, try again to clear them out. - * "Callbacks drained": All callbacks processed, off to dyntick idle! - * "Timer": Timer fired to cause CPU to continue processing callbacks. - * "Demigrate": Timer fired on wrong CPU, woke up correct CPU. - * "Cleanup after idle": Idle exited, timer canceled. - */ -LTTNG_TRACEPOINT_EVENT(rcu_prep_idle, - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) - TP_PROTO(const char *reason), -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *reason), -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - - TP_ARGS(reason), - - TP_FIELDS( - ctf_string(reason, reason) - ) -) -#endif - -/* - * Tracepoint for the registration of a single RCU callback function. - * The first argument is the type of RCU, the second argument is - * a pointer to the RCU callback itself, the third element is the - * number of lazy callbacks queued, and the fourth element is the - * total number of callbacks queued. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) -LTTNG_TRACEPOINT_EVENT(rcu_callback, - - TP_PROTO(const char *rcuname, struct rcu_head *rhp, long qlen), - - TP_ARGS(rcuname, rhp, qlen), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer_hex(void *, func, rhp->func) - ctf_integer(long, qlen, qlen) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_callback, - - TP_PROTO(const char *rcuname, struct rcu_head *rhp, long qlen_lazy, - long qlen), - - TP_ARGS(rcuname, rhp, qlen_lazy, qlen), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer_hex(void *, func, rhp->func) - ctf_integer(long, qlen_lazy, qlen_lazy) - ctf_integer(long, qlen, qlen) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) -LTTNG_TRACEPOINT_EVENT(rcu_callback, - - TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen_lazy, - long qlen), - - TP_ARGS(rcuname, rhp, qlen_lazy, qlen), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer_hex(void *, func, rhp->func) - ctf_integer(long, qlen_lazy, qlen_lazy) - ctf_integer(long, qlen, qlen) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_callback, - - TP_PROTO(char *rcuname, struct rcu_head *rhp, long qlen), - - TP_ARGS(rcuname, rhp, qlen), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer_hex(void *, func, rhp->func) - ctf_integer(long, qlen, qlen) - ) -) -#endif - - -/* - * Tracepoint for the registration of a single RCU callback of the special - * kfree() form. The first argument is the RCU type, the second argument - * is a pointer to the RCU callback, the third argument is the offset - * of the callback within the enclosing RCU-protected data structure, - * the fourth argument is the number of lazy callbacks queued, and the - * fifth argument is the total number of callbacks queued. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) -LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, - - TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset, - long qlen), - - TP_ARGS(rcuname, rhp, offset, qlen), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer_hex(unsigned long, offset, offset) - ctf_integer(long, qlen, qlen) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, - - TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset, - long qlen_lazy, long qlen), - - TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer_hex(unsigned long, offset, offset) - ctf_integer(long, qlen_lazy, qlen_lazy) - ctf_integer(long, qlen, qlen) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) -LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, - - TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset, - long qlen_lazy, long qlen), - - TP_ARGS(rcuname, rhp, offset, qlen_lazy, qlen), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer_hex(unsigned long, offset, offset) - ctf_integer(long, qlen_lazy, qlen_lazy) - ctf_integer(long, qlen, qlen) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, - - TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset, - long qlen), - - TP_ARGS(rcuname, rhp, offset, qlen), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer_hex(unsigned long, offset, offset) - ctf_integer(long, qlen, qlen) - ) -) -#endif - -/* - * Tracepoint for marking the beginning rcu_do_batch, performed to start - * RCU callback invocation. The first argument is the RCU flavor, - * the second is the number of lazy callbacks queued, the third is - * the total number of callbacks queued, and the fourth argument is - * the current RCU-callback batch limit. - */ -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) -LTTNG_TRACEPOINT_EVENT(rcu_batch_start, - - TP_PROTO(const char *rcuname, long qlen, long blimit), - - TP_ARGS(rcuname, qlen, blimit), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(long, qlen, qlen) - ctf_integer(long, blimit, blimit) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) -LTTNG_TRACEPOINT_EVENT(rcu_batch_start, - - TP_PROTO(const char *rcuname, long qlen_lazy, long qlen, long blimit), - - TP_ARGS(rcuname, qlen_lazy, qlen, blimit), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(long, qlen_lazy, qlen_lazy) - ctf_integer(long, qlen, qlen) - ctf_integer(long, blimit, blimit) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) -LTTNG_TRACEPOINT_EVENT(rcu_batch_start, - - TP_PROTO(char *rcuname, long qlen_lazy, long qlen, long blimit), - - TP_ARGS(rcuname, qlen_lazy, qlen, blimit), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(long, qlen_lazy, qlen_lazy) - ctf_integer(long, qlen, qlen) - ctf_integer(long, blimit, blimit) - ) -) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) -LTTNG_TRACEPOINT_EVENT(rcu_batch_start, - - TP_PROTO(char *rcuname, long qlen_lazy, long qlen, int blimit), - - TP_ARGS(rcuname, qlen_lazy, qlen, blimit), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(long, qlen_lazy, qlen_lazy) - ctf_integer(long, qlen, qlen) - ctf_integer(int, blimit, blimit) - ) -) -#else -LTTNG_TRACEPOINT_EVENT(rcu_batch_start, - - TP_PROTO(char *rcuname, long qlen, int blimit), - - TP_ARGS(rcuname, qlen, blimit), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(long, qlen, qlen) - ctf_integer(int, blimit, blimit) - ) -) -#endif - -/* - * Tracepoint for the invocation of a single RCU callback function. - * The first argument is the type of RCU, and the second argument is - * a pointer to the RCU callback itself. - */ -LTTNG_TRACEPOINT_EVENT(rcu_invoke_callback, - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) - TP_PROTO(const char *rcuname, struct rcu_head *rhp), -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *rcuname, struct rcu_head *rhp), -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - - TP_ARGS(rcuname, rhp), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer_hex(void *, func, rhp->func) - ) -) - -/* - * Tracepoint for the invocation of a single RCU callback of the special - * kfree() form. The first argument is the RCU flavor, the second - * argument is a pointer to the RCU callback, and the third argument - * is the offset of the callback within the enclosing RCU-protected - * data structure. - */ -LTTNG_TRACEPOINT_EVENT(rcu_invoke_kfree_callback, - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) - TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset), -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset), -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - - TP_ARGS(rcuname, rhp, offset), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer_hex(void *, rhp, rhp) - ctf_integer(unsigned long, offset, offset) - ) -) - -/* - * Tracepoint for exiting rcu_do_batch after RCU callbacks have been - * invoked. The first argument is the name of the RCU flavor, - * the second argument is number of callbacks actually invoked, - * the third argument (cb) is whether or not any of the callbacks that - * were ready to invoke at the beginning of this batch are still - * queued, the fourth argument (nr) is the return value of need_resched(), - * the fifth argument (iit) is 1 if the current task is the idle task, - * and the sixth argument (risk) is the return value from - * rcu_is_callbacks_kthread(). - */ -LTTNG_TRACEPOINT_EVENT(rcu_batch_end, - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)) - TP_PROTO(const char *rcuname, int callbacks_invoked, - char cb, char nr, char iit, char risk), - - TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) - TP_PROTO(const char *rcuname, int callbacks_invoked, - bool cb, bool nr, bool iit, bool risk), - - TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) - TP_PROTO(char *rcuname, int callbacks_invoked, - bool cb, bool nr, bool iit, bool risk), - - TP_ARGS(rcuname, callbacks_invoked, cb, nr, iit, risk), -#else - TP_PROTO(char *rcuname, int callbacks_invoked), - - TP_ARGS(rcuname, callbacks_invoked), -#endif - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_integer(int, callbacks_invoked, callbacks_invoked) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)) - ctf_integer(char, cb, cb) - ctf_integer(char, nr, nr) - ctf_integer(char, iit, iit) - ctf_integer(char, risk, risk) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) - ctf_integer(bool, cb, cb) - ctf_integer(bool, nr, nr) - ctf_integer(bool, iit, iit) - ctf_integer(bool, risk, risk) -#endif - ) -) - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) -/* - * Tracepoint for rcutorture readers. The first argument is the name - * of the RCU flavor from rcutorture's viewpoint and the second argument - * is the callback address. - */ -LTTNG_TRACEPOINT_EVENT(rcu_torture_read, - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) - TP_PROTO(const char *rcutorturename, struct rcu_head *rhp, - unsigned long secs, unsigned long c_old, unsigned long c), - - TP_ARGS(rcutorturename, rhp, secs, c_old, c), -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) - TP_PROTO(char *rcutorturename, struct rcu_head *rhp, - unsigned long secs, unsigned long c_old, unsigned long c), - - TP_ARGS(rcutorturename, rhp, secs, c_old, c), -#else - TP_PROTO(char *rcutorturename, struct rcu_head *rhp), - - TP_ARGS(rcutorturename, rhp), -#endif - - TP_FIELDS( - ctf_string(rcutorturename, rcutorturename) - ctf_integer_hex(struct rcu_head *, rhp, rhp) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) - ctf_integer(unsigned long, secs, secs) - ctf_integer(unsigned long, c_old, c_old) - ctf_integer(unsigned long, c, c) -#endif - ) -) -#endif - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) -/* - * Tracepoint for _rcu_barrier() execution. The string "s" describes - * the _rcu_barrier phase: - * "Begin": rcu_barrier_callback() started. - * "Check": rcu_barrier_callback() checking for piggybacking. - * "EarlyExit": rcu_barrier_callback() piggybacked, thus early exit. - * "Inc1": rcu_barrier_callback() piggyback check counter incremented. - * "Offline": rcu_barrier_callback() found offline CPU - * "OnlineQ": rcu_barrier_callback() found online CPU with callbacks. - * "OnlineNQ": rcu_barrier_callback() found online CPU, no callbacks. - * "IRQ": An rcu_barrier_callback() callback posted on remote CPU. - * "CB": An rcu_barrier_callback() invoked a callback, not the last. - * "LastCB": An rcu_barrier_callback() invoked the last callback. - * "Inc2": rcu_barrier_callback() piggyback check counter incremented. - * The "cpu" argument is the CPU or -1 if meaningless, the "cnt" argument - * is the count of remaining callbacks, and "done" is the piggybacking count. - */ -LTTNG_TRACEPOINT_EVENT(rcu_barrier, - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) - TP_PROTO(const char *rcuname, const char *s, int cpu, int cnt, unsigned long done), -#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *rcuname, char *s, int cpu, int cnt, unsigned long done), -#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */ - - TP_ARGS(rcuname, s, cpu, cnt, done), - - TP_FIELDS( - ctf_string(rcuname, rcuname) - ctf_string(s, s) - ctf_integer(int, cpu, cpu) - ctf_integer(int, cnt, cnt) - ctf_integer(unsigned long, done, done) - ) -) -#endif - -#else /* #ifdef CONFIG_RCU_TRACE */ - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0) || \ - LTTNG_RHEL_KERNEL_RANGE(4,18,0,80,0,0, 4,19,0,0,0,0)) -#define trace_rcu_grace_period(rcuname, gp_seq, gpevent) do { } while (0) -#define trace_rcu_grace_period_init(rcuname, gp_seq, level, grplo, grphi, \ - qsmask) do { } while (0) -#define trace_rcu_preempt_task(rcuname, pid, gp_seq) do { } while (0) -#define trace_rcu_unlock_preempted_task(rcuname, gp_seq, pid) do { } while (0) -#define trace_rcu_quiescent_state_report(rcuname, gp_seq, mask, qsmask, level, \ - grplo, grphi, gp_tasks) do { } \ - while (0) -#define trace_rcu_fqs(rcuname, gp_seq, cpu, qsevent) do { } while (0) -#else -#define trace_rcu_grace_period(rcuname, gpnum, gpevent) do { } while (0) -#define trace_rcu_grace_period_init(rcuname, gpnum, level, grplo, grphi, \ - qsmask) do { } while (0) -#define trace_rcu_preempt_task(rcuname, pid, gpnum) do { } while (0) -#define trace_rcu_unlock_preempted_task(rcuname, gpnum, pid) do { } while (0) -#define trace_rcu_quiescent_state_report(rcuname, gpnum, mask, qsmask, level, \ - grplo, grphi, gp_tasks) do { } \ - while (0) -#define trace_rcu_fqs(rcuname, gpnum, cpu, qsevent) do { } while (0) -#endif - -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,16,0)) -#define trace_rcu_dyntick(polarity, oldnesting, newnesting, dyntick) do { } while (0) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) -#define trace_rcu_dyntick(polarity, oldnesting, newnesting) do { } while (0) -#else -#define trace_rcu_dyntick(polarity) do { } while (0) -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) -#define trace_rcu_prep_idle(reason) do { } while (0) -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) -#define trace_rcu_callback(rcuname, rhp, qlen_lazy, qlen) do { } while (0) -#define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen_lazy, qlen) \ - do { } while (0) -#define trace_rcu_batch_start(rcuname, qlen_lazy, qlen, blimit) \ - do { } while (0) -#else -#define trace_rcu_callback(rcuname, rhp, qlen) do { } while (0) -#define trace_rcu_kfree_callback(rcuname, rhp, offset, qlen) do { } while (0) -#define trace_rcu_batch_start(rcuname, qlen, blimit) do { } while (0) -#endif -#define trace_rcu_invoke_callback(rcuname, rhp) do { } while (0) -#define trace_rcu_invoke_kfree_callback(rcuname, rhp, offset) do { } while (0) -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) -#define trace_rcu_batch_end(rcuname, callbacks_invoked, cb, nr, iit, risk) \ - do { } while (0) -#else -#define trace_rcu_batch_end(rcuname, callbacks_invoked) do { } while (0) -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) -#define trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \ - do { } while (0) -#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0)) -#define trace_rcu_torture_read(rcutorturename, rhp) do { } while (0) -#endif -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) -#define trace_rcu_barrier(name, s, cpu, cnt, done) do { } while (0) -#endif -#endif /* #else #ifdef CONFIG_RCU_TRACE */ - -#endif /* LTTNG_TRACE_RCU_H */ - -/* This part must be outside protection */ -#include