Interprocess communication, core events. Added markers : ipc_msg_create ipc_sem_create ipc_shm_create Signed-off-by: Mathieu Desnoyers --- ipc/msg.c | 6 +++++- ipc/sem.c | 6 +++++- ipc/shm.c | 6 +++++- 3 files changed, 15 insertions(+), 3 deletions(-) Index: linux-2.6-lttng/ipc/msg.c =================================================================== --- linux-2.6-lttng.orig/ipc/msg.c 2008-03-27 07:40:09.000000000 -0400 +++ linux-2.6-lttng/ipc/msg.c 2008-03-27 07:40:12.000000000 -0400 @@ -37,6 +37,7 @@ #include #include #include +#include #include #include @@ -293,6 +294,7 @@ asmlinkage long sys_msgget(key_t key, in struct ipc_namespace *ns; struct ipc_ops msg_ops; struct ipc_params msg_params; + long ret; ns = current->nsproxy->ipc_ns; @@ -303,7 +305,9 @@ asmlinkage long sys_msgget(key_t key, in msg_params.key = key; msg_params.flg = msgflg; - return ipcget(ns, &msg_ids(ns), &msg_ops, &msg_params); + ret = ipcget(ns, &msg_ids(ns), &msg_ops, &msg_params); + trace_mark(ipc_msg_create, "id %ld flags %d", ret, msgflg); + return ret; } static inline unsigned long Index: linux-2.6-lttng/ipc/sem.c =================================================================== --- linux-2.6-lttng.orig/ipc/sem.c 2008-03-27 07:40:09.000000000 -0400 +++ linux-2.6-lttng/ipc/sem.c 2008-03-27 07:40:12.000000000 -0400 @@ -83,6 +83,7 @@ #include #include #include +#include #include #include "util.h" @@ -312,6 +313,7 @@ asmlinkage long sys_semget(key_t key, in struct ipc_namespace *ns; struct ipc_ops sem_ops; struct ipc_params sem_params; + long err; ns = current->nsproxy->ipc_ns; @@ -326,7 +328,9 @@ asmlinkage long sys_semget(key_t key, in sem_params.flg = semflg; sem_params.u.nsems = nsems; - return ipcget(ns, &sem_ids(ns), &sem_ops, &sem_params); + err = ipcget(ns, &sem_ids(ns), &sem_ops, &sem_params); + trace_mark(ipc_sem_create, "id %ld flags %d", err, semflg); + return err; } /* Manage the doubly linked list sma->sem_pending as a FIFO: Index: linux-2.6-lttng/ipc/shm.c =================================================================== --- linux-2.6-lttng.orig/ipc/shm.c 2008-03-27 07:40:09.000000000 -0400 +++ linux-2.6-lttng/ipc/shm.c 2008-03-27 07:40:12.000000000 -0400 @@ -39,6 +39,7 @@ #include #include #include +#include #include @@ -482,6 +483,7 @@ asmlinkage long sys_shmget (key_t key, s struct ipc_namespace *ns; struct ipc_ops shm_ops; struct ipc_params shm_params; + long err; ns = current->nsproxy->ipc_ns; @@ -493,7 +495,9 @@ asmlinkage long sys_shmget (key_t key, s shm_params.flg = shmflg; shm_params.u.size = size; - return ipcget(ns, &shm_ids(ns), &shm_ops, &shm_params); + err = ipcget(ns, &shm_ids(ns), &shm_ops, &shm_params); + trace_mark(ipc_shm_create, "id %ld flags %d", err, shmflg); + return err; } static inline unsigned long copy_shmid_to_user(void __user *buf, struct shmid64_ds *in, int version) -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/