X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-ctl%2Fkernel-ioctl.h;h=3c4f4129e63c8c0129521ca9ad617599927a3ce3;hb=f22dd89135f6b1749cd75735f04e3cb309da12c1;hp=2ade00cd1b99091ab4cc5e4dc1977b7da806d285;hpb=b812e5ca9073ddac9cf8db747eb6cf9bea78b85a;p=lttng-tools.git diff --git a/src/common/kernel-ctl/kernel-ioctl.h b/src/common/kernel-ctl/kernel-ioctl.h index 2ade00cd1..3c4f4129e 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 2 +#define LTTNG_MODULES_ABI_MINOR_VERSION 3 /* Get a snapshot of the current ring buffer producer and consumer positions */ #define RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00) @@ -47,10 +47,18 @@ #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) +/* + * Get a snapshot of the current ring buffer producer and consumer positions, + * regardless of whether or not the two positions are contained within the same + * sub-buffer. + */ +#define RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS _IO(0xF6, 0x0E) +/* 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)