X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Flttng-abi.c;h=344f18c25acf3d0fa18fd318c907d7bc4a942524;hb=a101fa100885861be33fab3966db2c5136815724;hp=09e437884c8e54971dad9597d6f517cb8cf660fc;hpb=18f12d55db4f9c78bde2738931a45557050858eb;p=lttng-modules.git diff --git a/src/lttng-abi.c b/src/lttng-abi.c index 09e43788..344f18c2 100644 --- a/src/lttng-abi.c +++ b/src/lttng-abi.c @@ -909,11 +909,14 @@ skip_get_next: } read_count += copy_len; } - return read_count; + goto put_record; nodata: *ppos = 0; chan->iter.len_left = 0; + +put_record: + lib_ring_buffer_put_current_record(buf); return read_count; } @@ -1581,6 +1584,8 @@ int lttng_abi_validate_event_param(struct lttng_kernel_event *event_param) switch (event_param->instrumentation) { case LTTNG_KERNEL_SYSCALL: switch (event_param->u.syscall.entryexit) { + case LTTNG_KERNEL_SYSCALL_ENTRY: + case LTTNG_KERNEL_SYSCALL_EXIT: case LTTNG_KERNEL_SYSCALL_ENTRYEXIT: break; default: @@ -1593,7 +1598,7 @@ int lttng_abi_validate_event_param(struct lttng_kernel_event *event_param) return -EINVAL; } switch (event_param->u.syscall.match) { - case LTTNG_SYSCALL_MATCH_NAME: + case LTTNG_KERNEL_SYSCALL_MATCH_NAME: break; default: return -EINVAL; @@ -1708,6 +1713,7 @@ fd_error: static long lttng_event_notifier_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + struct lttng_event_notifier *event_notifier; struct lttng_event_notifier_enabler *event_notifier_enabler; enum lttng_event_type *evtype = file->private_data; @@ -1715,7 +1721,8 @@ long lttng_event_notifier_ioctl(struct file *file, unsigned int cmd, unsigned lo case LTTNG_KERNEL_ENABLE: switch (*evtype) { case LTTNG_TYPE_EVENT: - return -EINVAL; + event_notifier = file->private_data; + return lttng_event_notifier_enable(event_notifier); case LTTNG_TYPE_ENABLER: event_notifier_enabler = file->private_data; return lttng_event_notifier_enabler_enable(event_notifier_enabler); @@ -1726,7 +1733,8 @@ long lttng_event_notifier_ioctl(struct file *file, unsigned int cmd, unsigned lo case LTTNG_KERNEL_DISABLE: switch (*evtype) { case LTTNG_TYPE_EVENT: - return -EINVAL; + event_notifier = file->private_data; + return lttng_event_notifier_disable(event_notifier); case LTTNG_TYPE_ENABLER: event_notifier_enabler = file->private_data; return lttng_event_notifier_enabler_disable(event_notifier_enabler); @@ -1740,12 +1748,39 @@ long lttng_event_notifier_ioctl(struct file *file, unsigned int cmd, unsigned lo return -EINVAL; case LTTNG_TYPE_ENABLER: event_notifier_enabler = file->private_data; - return lttng_event_notifier_enabler_attach_bytecode(event_notifier_enabler, + return lttng_event_notifier_enabler_attach_filter_bytecode( + event_notifier_enabler, (struct lttng_kernel_filter_bytecode __user *) arg); default: WARN_ON_ONCE(1); return -ENOSYS; } + + case LTTNG_KERNEL_CAPTURE: + switch (*evtype) { + case LTTNG_TYPE_EVENT: + return -EINVAL; + case LTTNG_TYPE_ENABLER: + event_notifier_enabler = file->private_data; + return lttng_event_notifier_enabler_attach_capture_bytecode( + event_notifier_enabler, + (struct lttng_kernel_capture_bytecode __user *) arg); + default: + WARN_ON_ONCE(1); + return -ENOSYS; + } + case LTTNG_KERNEL_ADD_CALLSITE: + switch (*evtype) { + case LTTNG_TYPE_EVENT: + event_notifier = file->private_data; + return lttng_event_notifier_add_callsite(event_notifier, + (struct lttng_kernel_event_callsite __user *) arg); + case LTTNG_TYPE_ENABLER: + return -EINVAL; + default: + WARN_ON_ONCE(1); + return -ENOSYS; + } default: return -ENOIOCTLCMD; } @@ -1801,12 +1836,17 @@ int lttng_abi_create_event_notifier(struct file *event_notifier_group_file, switch (event_notifier_param->event.instrumentation) { case LTTNG_KERNEL_TRACEPOINT: - case LTTNG_KERNEL_KPROBE: case LTTNG_KERNEL_UPROBE: + break; + case LTTNG_KERNEL_KPROBE: + event_notifier_param->event.u.kprobe.symbol_name[LTTNG_KERNEL_SYM_NAME_LEN - 1] = '\0'; + break; + case LTTNG_KERNEL_SYSCALL: + break; case LTTNG_KERNEL_KRETPROBE: + /* Placing an event notifier on kretprobe is not supported. */ case LTTNG_KERNEL_FUNCTION: case LTTNG_KERNEL_NOOP: - case LTTNG_KERNEL_SYSCALL: default: ret = -EINVAL; goto inval_instr; @@ -2276,7 +2316,8 @@ long lttng_event_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case LTTNG_TYPE_ENABLER: { event_enabler = file->private_data; - return lttng_event_enabler_attach_bytecode(event_enabler, + return lttng_event_enabler_attach_filter_bytecode( + event_enabler, (struct lttng_kernel_filter_bytecode __user *) arg); } default: