X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ioctl.h;h=cddea3fc44a021925128e37d8d0280e6be8bf21a;hb=e49273dcf0cc67623cea694916c753ebb4272193;hp=b37605bb19793583a53e91eed61c830b61027307;hpb=000fa86f1276f62aa32cdb18f6556db1bdeee09b;p=lttng-tools.git diff --git a/src/common/kernel-ctl/kernel-ioctl.h b/src/common/kernel-ctl/kernel-ioctl.h index b37605bb1..cddea3fc4 100644 --- a/src/common/kernel-ctl/kernel-ioctl.h +++ b/src/common/kernel-ctl/kernel-ioctl.h @@ -20,7 +20,7 @@ #define _LTT_KERNEL_IOCTL_H #define LTTNG_MODULES_ABI_MAJOR_VERSION 2 -#define LTTNG_MODULES_ABI_MINOR_VERSION 0 +#define LTTNG_MODULES_ABI_MINOR_VERSION 1 /* Get a snapshot of the current ring buffer producer and consumer positions */ #define RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00) @@ -47,8 +47,12 @@ #define RING_BUFFER_GET_MMAP_LEN _IOR(0xF6, 0x0A, unsigned long) /* returns the offset of the subbuffer belonging to the mmap reader. */ #define RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long) -/* flush the current sub-buffer */ +/* Flush the current sub-buffer, if non-empty. */ #define RING_BUFFER_FLUSH _IO(0xF6, 0x0C) +/* Get the current version of the metadata cache (after a get_next). */ +#define RING_BUFFER_GET_METADATA_VERSION _IOR(0xF6, 0x0D, uint64_t) +/* Flush the current sub-buffer, even if empty. */ +#define RING_BUFFER_FLUSH_EMPTY _IO(0xF6, 0x0F) /* returns the timestamp begin of the current sub-buffer */ #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t) @@ -125,7 +129,13 @@ _IOR(0xF6, 0x58, int32_t) #define LTTNG_KERNEL_SESSION_UNTRACK_PID \ _IOR(0xF6, 0x59, int32_t) +/* + * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO + * are generating two different ioctl numbers, but this was not done on + * purpose. We should generally try to avoid those duplications. + */ #define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58) +#define LTTNG_KERNEL_SESSION_METADATA_REGEN _IO(0xF6, 0x59) /* Channel FD ioctl */ #define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)