From d4c1b1de04e5b67db563ed5dd3d229239720c3fb Mon Sep 17 00:00:00 2001 From: Michael Jeanson Date: Mon, 21 Nov 2022 12:12:40 -0500 Subject: [PATCH] Drop support for kernels < 4.4 from rcu instrumentation Change-Id: I4c1aabf233f4f8ccfdd6c93469c10efe79507cd8 Signed-off-by: Michael Jeanson Signed-off-by: Mathieu Desnoyers --- include/instrumentation/events/rcu.h | 324 ++------------------------- 1 file changed, 13 insertions(+), 311 deletions(-) diff --git a/include/instrumentation/events/rcu.h b/include/instrumentation/events/rcu.h index 3dafbc5d..bb058ba8 100644 --- a/include/instrumentation/events/rcu.h +++ b/include/instrumentation/events/rcu.h @@ -21,11 +21,7 @@ */ LTTNG_TRACEPOINT_EVENT(rcu_utilization, -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) TP_PROTO(const char *s), -#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *s), -#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ TP_ARGS(s), @@ -37,8 +33,7 @@ LTTNG_TRACEPOINT_EVENT(rcu_utilization, #ifdef CONFIG_RCU_TRACE #if defined(CONFIG_TREE_RCU) \ - || (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,19,0) \ - && defined(CONFIG_PREEMPT_RCU)) \ + || defined(CONFIG_PREEMPT_RCU) \ || defined(CONFIG_TREE_PREEMPT_RCU) /* @@ -64,23 +59,10 @@ LTTNG_TRACEPOINT_EVENT(rcu_grace_period, ctf_string(gpevent, gpevent) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_PROTO(const char *rcuname, unsigned long gpnum, const char *gpevent), TP_ARGS(rcuname, gpnum, gpevent), @@ -117,27 +99,10 @@ LTTNG_TRACEPOINT_EVENT(rcu_grace_period_init, ctf_integer(unsigned long, qsmask, qsmask) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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, + 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), @@ -173,23 +138,10 @@ LTTNG_TRACEPOINT_EVENT(rcu_preempt_task, ctf_integer(int, pid, pid) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_PROTO(const char *rcuname, int pid, unsigned long gpnum), TP_ARGS(rcuname, pid, gpnum), @@ -220,23 +172,10 @@ LTTNG_TRACEPOINT_EVENT(rcu_unlock_preempted_task, ctf_integer(int, pid, pid) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_PROTO(const char *rcuname, unsigned long gpnum, int pid), TP_ARGS(rcuname, gpnum, pid), @@ -277,30 +216,10 @@ LTTNG_TRACEPOINT_EVENT(rcu_quiescent_state_report, ctf_integer(u8, gp_tasks, gp_tasks) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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, + TP_PROTO(const char *rcuname, unsigned long gpnum, unsigned long mask, unsigned long qsmask, u8 level, int grplo, int grphi, int gp_tasks), @@ -342,24 +261,10 @@ LTTNG_TRACEPOINT_EVENT(rcu_fqs, ctf_string(qsevent, qsevent) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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_PROTO(const char *rcuname, unsigned long gpnum, int cpu, const char *qsevent), TP_ARGS(rcuname, gpnum, cpu, qsevent), @@ -425,7 +330,7 @@ LTTNG_TRACEPOINT_EVENT(rcu_dyntick, ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) +#else LTTNG_TRACEPOINT_EVENT(rcu_dyntick, TP_PROTO(const char *polarity, long long oldnesting, long long newnesting), @@ -438,34 +343,9 @@ LTTNG_TRACEPOINT_EVENT(rcu_dyntick, ctf_integer(long long, newnesting, newnesting) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 @@ -490,11 +370,7 @@ LTTNG_TRACEPOINT_EVENT(rcu_dyntick, */ LTTNG_TRACEPOINT_EVENT(rcu_prep_idle, -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) TP_PROTO(const char *reason), -#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *reason), -#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ TP_ARGS(reason), @@ -502,7 +378,6 @@ LTTNG_TRACEPOINT_EVENT(rcu_prep_idle, ctf_string(reason, reason) ) ) -#endif /* * Tracepoint for the registration of a single RCU callback function. @@ -525,7 +400,7 @@ LTTNG_TRACEPOINT_EVENT(rcu_callback, ctf_integer(long, qlen, qlen) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) +#else LTTNG_TRACEPOINT_EVENT(rcu_callback, TP_PROTO(const char *rcuname, struct rcu_head *rhp, long qlen_lazy, @@ -541,36 +416,6 @@ LTTNG_TRACEPOINT_EVENT(rcu_callback, ctf_integer(long, qlen, qlen) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 @@ -597,7 +442,7 @@ LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, ctf_integer(long, qlen, qlen) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) +#else LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset, @@ -613,37 +458,6 @@ LTTNG_TRACEPOINT_EVENT(rcu_kfree_callback, ctf_integer(long, qlen, qlen) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 /* @@ -666,7 +480,7 @@ LTTNG_TRACEPOINT_EVENT(rcu_batch_start, ctf_integer(long, blimit, blimit) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) +#else LTTNG_TRACEPOINT_EVENT(rcu_batch_start, TP_PROTO(const char *rcuname, long qlen_lazy, long qlen, long blimit), @@ -680,47 +494,6 @@ LTTNG_TRACEPOINT_EVENT(rcu_batch_start, ctf_integer(long, blimit, blimit) ) ) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 /* @@ -730,11 +503,7 @@ LTTNG_TRACEPOINT_EVENT(rcu_batch_start, */ LTTNG_TRACEPOINT_EVENT(rcu_invoke_callback, -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) TP_PROTO(const char *rcuname, struct rcu_head *rhp), -#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *rcuname, struct rcu_head *rhp), -#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ TP_ARGS(rcuname, rhp), @@ -754,11 +523,7 @@ LTTNG_TRACEPOINT_EVENT(rcu_invoke_callback, */ LTTNG_TRACEPOINT_EVENT(rcu_invoke_kfree_callback, -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) TP_PROTO(const char *rcuname, struct rcu_head *rhp, unsigned long offset), -#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *rcuname, struct rcu_head *rhp, unsigned long offset), -#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ TP_ARGS(rcuname, rhp, offset), @@ -782,45 +547,21 @@ LTTNG_TRACEPOINT_EVENT(rcu_invoke_kfree_callback, */ LTTNG_TRACEPOINT_EVENT(rcu_batch_end, -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 @@ -828,35 +569,20 @@ LTTNG_TRACEPOINT_EVENT(rcu_batch_end, */ LTTNG_TRACEPOINT_EVENT(rcu_torture_read, -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,6,0)) /* * Tracepoint for _rcu_barrier() execution. The string "s" describes * the _rcu_barrier phase: @@ -876,11 +602,7 @@ LTTNG_TRACEPOINT_EVENT(rcu_torture_read, */ LTTNG_TRACEPOINT_EVENT(rcu_barrier, -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) TP_PROTO(const char *rcuname, const char *s, int cpu, int cnt, unsigned long done), -#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ - TP_PROTO(char *rcuname, char *s, int cpu, int cnt, unsigned long done), -#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,12,0)) */ TP_ARGS(rcuname, s, cpu, cnt, done), @@ -892,7 +614,6 @@ LTTNG_TRACEPOINT_EVENT(rcu_barrier, ctf_integer(unsigned long, done, done) ) ) -#endif #else /* #ifdef CONFIG_RCU_TRACE */ @@ -921,42 +642,23 @@ LTTNG_TRACEPOINT_EVENT(rcu_barrier, #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,16,0)) #define trace_rcu_dyntick(polarity, oldnesting, newnesting, dyntick) do { } while (0) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) -#define trace_rcu_dyntick(polarity, oldnesting, newnesting) do { } while (0) #else -#define trace_rcu_dyntick(polarity) do { } while (0) +#define trace_rcu_dyntick(polarity, oldnesting, newnesting) do { } while (0) #endif -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) + #define trace_rcu_prep_idle(reason) do { } while (0) -#endif -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,9,0)) #define trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \ do { } while (0) -#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,3,0)) -#define trace_rcu_torture_read(rcutorturename, rhp) do { } while (0) -#endif -#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_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 */ -- 2.34.1