X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ctl.c;h=ce8d8a0eb1f4ec4df60d388589be6ab209673b4f;hp=d153a1cff7dafbbc3460f7aac1baae55042263fd;hb=6e911cad03751b6814fddd65b19a592acdc2b7b7;hpb=c6aa2d41cdd9daddc133e43cf6e1f2daae818cdd diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c index d153a1cff..ce8d8a0eb 100644 --- a/src/common/kernel-ctl/kernel-ctl.c +++ b/src/common/kernel-ctl/kernel-ctl.c @@ -139,6 +139,30 @@ int kernctl_create_channel(int fd, struct lttng_channel_attr *chops) return ioctl(fd, LTTNG_KERNEL_CHANNEL, &channel); } +int kernctl_enable_syscall(int fd, const char *syscall_name) +{ + struct lttng_kernel_event event; + + memset(&event, 0, sizeof(event)); + strncpy(event.name, syscall_name, sizeof(event.name)); + event.name[sizeof(event.name) - 1] = '\0'; + event.instrumentation = LTTNG_KERNEL_SYSCALL; + event.u.syscall.disable = 0; + return ioctl(fd, LTTNG_KERNEL_EVENT, &event); +} + +int kernctl_disable_syscall(int fd, const char *syscall_name) +{ + struct lttng_kernel_event event; + + memset(&event, 0, sizeof(event)); + strncpy(event.name, syscall_name, sizeof(event.name)); + event.name[sizeof(event.name) - 1] = '\0'; + event.instrumentation = LTTNG_KERNEL_SYSCALL; + event.u.syscall.disable = 1; + return ioctl(fd, LTTNG_KERNEL_EVENT, &event); +} + int kernctl_create_stream(int fd) { return compat_ioctl_no_arg(fd, LTTNG_KERNEL_OLD_STREAM,