X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.c;fp=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.c;h=5373c703943f7710576337bb9995e8cb4321f28b;hp=877de5f8660bfb0c534a92815818b2296b5e53d5;hb=acbe1c12301de76ce9d1dce4a1b488cad64839e7;hpb=b8e2fb80c105c5a8241f7b35744e4a86d7e4125c diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c index 877de5f86..5373c7039 100644 --- a/src/common/kernel-ctl/kernel-ctl.c +++ b/src/common/kernel-ctl/kernel-ctl.c @@ -210,12 +210,28 @@ end: int kernctl_track_pid(int fd, int pid) { - return LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_ABI_SESSION_TRACK_PID, pid); + int ret = LTTNG_IOCTL_CHECK( + fd, LTTNG_KERNEL_ABI_SESSION_TRACK_PID, pid); + + if (ret == -ENOSYS) { + ret = LTTNG_IOCTL_CHECK(fd, + LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_PID, pid); + } + + return ret; } int kernctl_untrack_pid(int fd, int pid) { - return LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_ABI_SESSION_UNTRACK_PID, pid); + int ret = LTTNG_IOCTL_CHECK( + fd, LTTNG_KERNEL_ABI_SESSION_UNTRACK_PID, pid); + + if (ret == -ENOSYS) { + ret = LTTNG_IOCTL_CHECK(fd, + LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_PID, pid); + } + + return ret; } int kernctl_list_tracker_pids(int fd) @@ -247,6 +263,7 @@ static enum lttng_kernel_abi_tracker_type get_kernel_tracker_type( int kernctl_track_id(int fd, enum lttng_process_attr process_attr, int id) { struct lttng_kernel_abi_tracker_args args; + int ret; args.id = id; args.type = get_kernel_tracker_type(process_attr); @@ -254,12 +271,20 @@ int kernctl_track_id(int fd, enum lttng_process_attr process_attr, int id) errno = EINVAL; return -1; } - return LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_ABI_SESSION_TRACK_ID, &args); + + ret = LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_ABI_SESSION_TRACK_ID, &args); + if (ret == -ENOSYS) { + ret = LTTNG_IOCTL_CHECK(fd, + LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_ID, &args); + } + + return ret; } int kernctl_untrack_id(int fd, enum lttng_process_attr process_attr, int id) { struct lttng_kernel_abi_tracker_args args; + int ret; args.id = id; args.type = get_kernel_tracker_type(process_attr); @@ -267,12 +292,20 @@ int kernctl_untrack_id(int fd, enum lttng_process_attr process_attr, int id) errno = EINVAL; return -1; } - return LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_ABI_SESSION_UNTRACK_ID, &args); + + ret = LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_ABI_SESSION_UNTRACK_ID, &args); + if (ret == -ENOSYS) { + ret = LTTNG_IOCTL_CHECK(fd, + LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_ID, &args); + } + + return ret; } int kernctl_list_tracker_ids(int fd, enum lttng_process_attr process_attr) { struct lttng_kernel_abi_tracker_args args; + int ret; args.id = -1; args.type = get_kernel_tracker_type(process_attr); @@ -280,8 +313,16 @@ int kernctl_list_tracker_ids(int fd, enum lttng_process_attr process_attr) errno = EINVAL; return -1; } - return LTTNG_IOCTL_NO_CHECK( + + ret = LTTNG_IOCTL_NO_CHECK( fd, LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_IDS, &args); + if (ret == -ENOSYS) { + ret = LTTNG_IOCTL_NO_CHECK(fd, + LTTNG_KERNEL_ABI_OLD_SESSION_LIST_TRACKER_IDS, + &args); + } + + return ret; } int kernctl_session_regenerate_metadata(int fd) @@ -306,6 +347,12 @@ int kernctl_session_set_name(int fd, const char *name) ret = LTTNG_IOCTL_CHECK( fd, LTTNG_KERNEL_ABI_SESSION_SET_NAME, &session_name); + if (ret == -ENOSYS) { + ret = LTTNG_IOCTL_CHECK(fd, + LTTNG_KERNEL_ABI_OLD_SESSION_SET_NAME, + &session_name); + } + end: return ret; } @@ -323,6 +370,12 @@ int kernctl_session_set_creation_time(int fd, time_t time) ret = LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_ABI_SESSION_SET_CREATION_TIME, &creation_time); + if (ret == -ENOSYS) { + ret = LTTNG_IOCTL_CHECK(fd, + LTTNG_KERNEL_ABI_OLD_SESSION_SET_CREATION_TIME, + &creation_time); + } + end: return ret; }