These files are licensed exclusively under the GPL-2.0 license. See
LICENSES/GPL-2.0 for details.
-lib/ringbuffer/ring_buffer_splice.c
-lib/ringbuffer/ring_buffer_mmap.c
-instrumentation/events/lttng-module/*.h
-wrapper/list.h
+src/lib/ringbuffer/ring_buffer_splice.c
+src/lib/ringbuffer/ring_buffer_mmap.c
+include/instrumentation/events/*.h
+include/wrapper/list.h
* MIT-style license
include/lttng/prio_heap.h
include/lttng/bitfield.h
-include/lttng/filter-bytecode.h
-include/filter.h
-lib/prio_heap/lttng_prio_heap.c
-lttng-filter-interpreter.c
-lttng-filter-specialize.c
-lttng-filter-validator.c
-lttng-filter.c
+include/lttng/bytecode.h
+include/lttng/lttng-bytecode.h
+src/lib/prio_heap/lttng_prio_heap.c
+src/lttng-bytecode-interpreter.c
+src/lttng-bytecode-specialize.c
+src/lttng-bytecode-validator.c
+src/lttng-bytecode.c
)
#endif
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0) || \
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,10,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(btrfs_delayed_tree_ref,
+
+ TP_PROTO(const struct btrfs_fs_info *fs_info,
+ const struct btrfs_delayed_ref_node *ref),
+
+ TP_ARGS(fs_info, ref),
+
+ TP_FIELDS(
+ ctf_array(u8, fsid, lttng_fs_info_fsid, BTRFS_UUID_SIZE)
+ ctf_integer(u64, bytenr, ref->bytenr)
+ ctf_integer(u64, num_bytes, ref->num_bytes)
+ ctf_integer(int, action, ref->action)
+ ctf_integer(u64, parent, ref->parent)
+ ctf_integer(u64, ref_root, ref->ref_root)
+ ctf_integer(int, level, ref->tree_ref.level)
+ ctf_integer(int, type, ref->type)
+ ctf_integer(u64, seq, ref->seq)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(btrfs_delayed_tree_ref,
+
+ add_delayed_tree_ref,
+
+ btrfs_add_delayed_tree_ref,
+
+ TP_PROTO(const struct btrfs_fs_info *fs_info,
+ const struct btrfs_delayed_ref_node *ref),
+
+ TP_ARGS(fs_info, ref)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(btrfs_delayed_tree_ref,
+
+ run_delayed_tree_ref,
+
+ btrfs_run_delayed_tree_ref,
+
+ TP_PROTO(const struct btrfs_fs_info *fs_info,
+ const struct btrfs_delayed_ref_node *ref),
+
+ TP_ARGS(fs_info, ref)
+)
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0) || \
LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,73,6,0,0) || \
LTTNG_SLE_KERNEL_RANGE(4,4,82,6,0,0, 4,4,82,7,0,0) || \
LTTNG_SLE_KERNEL_RANGE(4,4,92,6,0,0, 4,4,92,7,0,0) || \
)
#endif
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0) || \
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,10,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(btrfs_delayed_data_ref,
+
+ TP_PROTO(const struct btrfs_fs_info *fs_info,
+ const struct btrfs_delayed_ref_node *ref),
+
+ TP_ARGS(fs_info, ref),
+
+ TP_FIELDS(
+ ctf_array(u8, fsid, lttng_fs_info_fsid, BTRFS_UUID_SIZE)
+ ctf_integer(u64, bytenr, ref->bytenr)
+ ctf_integer(u64, num_bytes, ref->num_bytes)
+ ctf_integer(int, action, ref->action)
+ ctf_integer(u64, parent, ref->parent)
+ ctf_integer(u64, ref_root, ref->ref_root)
+ ctf_integer(u64, owner, ref->data_ref.objectid)
+ ctf_integer(u64, offset, ref->data_ref.offset)
+ ctf_integer(int, type, ref->type)
+ ctf_integer(u64, seq, ref->seq)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(btrfs_delayed_data_ref,
+
+ add_delayed_data_ref,
+
+ btrfs_add_delayed_data_ref,
+
+ TP_PROTO(const struct btrfs_fs_info *fs_info,
+ const struct btrfs_delayed_ref_node *ref),
+
+ TP_ARGS(fs_info, ref)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(btrfs_delayed_data_ref,
+
+ run_delayed_data_ref,
+
+ btrfs_run_delayed_data_ref,
+
+ TP_PROTO(const struct btrfs_fs_info *fs_info,
+ const struct btrfs_delayed_ref_node *ref),
+
+ TP_ARGS(fs_info, ref)
+)
+
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0) || \
LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,73,6,0,0) || \
LTTNG_SLE_KERNEL_RANGE(4,4,82,6,0,0, 4,4,82,7,0,0) || \
LTTNG_SLE_KERNEL_RANGE(4,4,92,6,0,0, 4,4,92,7,0,0) || \
)
)
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,7,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,7,0) || \
+ LTTNG_RHEL_KERNEL_RANGE(5,14,0,427,16,1, 5,15,0,0,0,0))
LTTNG_TRACEPOINT_EVENT(mm_vmscan_lru_isolate,
TP_PROTO(int classzone_idx,
#include <lttng/tracepoint-event.h>
#include <linux/udp.h>
+#include <lttng/kernel-version.h>
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,10,0))
+LTTNG_TRACEPOINT_ENUM(lttng_sk_family,
+ TP_ENUM_VALUES(
+ ctf_enum_value("AF_INET", AF_INET)
+ ctf_enum_value("AF_INET6", AF_INET6)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT(udp_fail_queue_rcv_skb,
+
+ TP_PROTO(int rc, struct sock *sk, struct sk_buff *skb),
+
+ TP_ARGS(rc, sk, skb),
+
+ TP_FIELDS(
+ ctf_integer(int, rc, rc)
+ ctf_integer(__u16, sport, ntohs(udp_hdr(skb)->source))
+ ctf_integer(__u16, dport, ntohs(udp_hdr(skb)->dest))
+ ctf_enum(lttng_sk_family, __u16, family, sk->sk_family)
+ /*
+ * The 'saddr' and 'daddr' fields from the upstream tracepoint
+ * are currently not extracted. It is recommended to use a
+ * tracepoint from the 'net' probe instead which includes all
+ * fields from the IP header.
+ */
+ )
+)
+#else
LTTNG_TRACEPOINT_EVENT(udp_fail_queue_rcv_skb,
TP_PROTO(int rc, struct sock *sk),
ctf_integer(__u16, lport, inet_sk(sk)->inet_num)
)
)
+#endif
#endif /* LTTNG_TRACE_UDP_H */
#endif /* CONFIG_COMPAT_OLD_SIGACTION */
#endif
+/*
+ * Override 'pipe' to set the output field 'fildes' to an array of 2 integers
+ * instead of the default integer pointer.
+ */
#define OVERRIDE_32_pipe
SC_LTTNG_TRACEPOINT_EVENT(pipe,
TP_PROTO(sc_exit(long ret,) int * fildes),
#ifndef CREATE_SYSCALL_TABLE
+/*
+ * Override 'pipe' to set the output field 'fildes' to an array of 2 integers
+ * instead of the default integer pointer.
+ */
#define OVERRIDE_32_pipe
SC_LTTNG_TRACEPOINT_EVENT(pipe,
TP_PROTO(sc_exit(long ret,) int * fildes),
)
)
+/*
+ * Override 'pipe2' to set the output field 'fildes' to an array of 2 integers
+ * instead of the default integer pointer.
+ */
#define OVERRIDE_32_pipe2
#define OVERRIDE_64_pipe2
SC_LTTNG_TRACEPOINT_EVENT(pipe2,
lttng_tp_mempool_free(tp_locvar->fds_ex);
#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM)
+/*
+ * Instead of extracting the user-space pointers of the 3 fd_set,
+ * extract the bitmask of the FDs in the sets (in, out, ex) in the form
+ * of an array of uint8_t (1024 FDs is the limit in the kernel).
+ */
#define OVERRIDE_32_select
#define OVERRIDE_64_select
SC_LTTNG_TRACEPOINT_EVENT_CODE(select,
#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM) */
#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
+/*
+ * Instead of extracting the user-space pointers of the 3 fd_set,
+ * extract the bitmask of the FDs in the sets (in, out, ex) in the form
+ * of an array of uint8_t (1024 FDs is the limit in the kernel).
+ */
#define OVERRIDE_32_pselect6
#define OVERRIDE_64_pselect6
SC_LTTNG_TRACEPOINT_EVENT_CODE(pselect6,
)
#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM) */
+#if defined(CONFIG_X86_32) || defined(CONFIG_ARM)
+/*
+ * Instead of extracting the user-space pointers of the 3 fd_set,
+ * extract the bitmask of the FDs in the sets (in, out, ex) in the form
+ * of an array of uint8_t (1024 FDs is the limit in the kernel).
+ */
+#define OVERRIDE_32_pselect6_time32
+SC_LTTNG_TRACEPOINT_EVENT_CODE(pselect6_time32,
+ TP_PROTO(sc_exit(long ret,) int n, fd_set __user * inp, fd_set __user * outp,
+ fd_set __user * exp, struct old_timespec32 __user * tvp, void __user * sig),
+ TP_ARGS(sc_exit(ret,) n, inp, outp, exp, tvp, sig),
+ TP_locvar(
+ LTTNG_SYSCALL_SELECT_locvar
+ ),
+ TP_code_pre(
+ LTTNG_SYSCALL_SELECT_code_pre
+ ),
+ TP_FIELDS(
+ sc_exit(ctf_integer(long, ret, ret))
+ sc_in(ctf_integer(int, n, n))
+ sc_inout(ctf_integer(uint8_t, overflow, tp_locvar->overflow))
+ sc_inout(ctf_integer(struct old_timespec32 *, tvp, tvp))
+ sc_in(ctf_integer_hex(void *, sig, sig))
+
+ sc_inout(
+#if (__BYTE_ORDER == __LITTLE_ENDIAN)
+ LTTNG_SYSCALL_SELECT_fds_field_LE(readfds, inp)
+ LTTNG_SYSCALL_SELECT_fds_field_LE(writefds, outp)
+ LTTNG_SYSCALL_SELECT_fds_field_LE(exceptfds, exp)
+#else
+ LTTNG_SYSCALL_SELECT_fds_field_BE(readfds, inp)
+ LTTNG_SYSCALL_SELECT_fds_field_BE(writefds, outp)
+ LTTNG_SYSCALL_SELECT_fds_field_BE(exceptfds, exp)
+#endif
+ )
+ ),
+ TP_code_post(
+ LTTNG_SYSCALL_SELECT_code_post
+ )
+)
+#endif /* defined(CONFIG_X86_32) || defined(CONFIG_ARM) */
+
#ifdef LTTNG_CREATE_FIELD_METADATA
#ifndef ONCE_LTTNG_TRACE_POLL_H
#define ONCE_LTTNG_TRACE_POLL_H
lttng_tp_mempool_free(tp_locvar->fds);
#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM)
+/*
+ * Instead of printing the pointer address of the poll set, extract all the FDs
+ * and flags from the poll set. For now, only output the standardized
+ * set of events to limit the verbosity of the output, and also extract
+ * the raw value. In the future, moving to CTF2 will allow hiding unset
+ * fields and then allow extracting all the fields.
+ */
#define OVERRIDE_32_poll
#define OVERRIDE_64_poll
SC_LTTNG_TRACEPOINT_EVENT_CODE(poll,
#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM) */
#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
+/*
+ * Instead of printing the pointer address of the poll set, extract all the FDs
+ * and flags from the poll set. For now, only output the standardized
+ * set of events to limit the verbosity of the output, and also extract
+ * the raw value. In the future, moving to CTF2 will allow hiding unset
+ * fields and then allow extracting all the fields.
+ */
#define OVERRIDE_32_ppoll
#define OVERRIDE_64_ppoll
SC_LTTNG_TRACEPOINT_EVENT_CODE(ppoll,
)
#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM) */
+#if defined(CONFIG_X86_32) || defined(CONFIG_ARM)
+/*
+ * Instead of printing the pointer address of the poll set, extract all the FDs
+ * and flags from the poll set. For now, only output the standardized
+ * set of events to limit the verbosity of the output, and also extract
+ * the raw value. In the future, moving to CTF2 will allow hiding unset
+ * fields and then allow extracting all the fields.
+ */
+#define OVERRIDE_32_ppoll_time32
+SC_LTTNG_TRACEPOINT_EVENT_CODE(ppoll_time32,
+ TP_PROTO(sc_exit(long ret,) struct pollfd __user * ufds,
+ unsigned int nfds, struct old_timespec32 * tsp, const sigset_t * sigmask, size_t sigsetsize),
+ TP_ARGS(sc_exit(ret,) ufds, nfds, tsp, sigmask, sigsetsize),
+ TP_locvar(
+ LTTNG_SYSCALL_POLL_locvar
+ ),
+ TP_code_pre(
+ LTTNG_SYSCALL_POLL_code_pre
+ ),
+ TP_FIELDS(
+ sc_exit(ctf_integer(long, ret, ret))
+ sc_in(ctf_integer(struct old_timespec32 *, tsp, tsp))
+ sc_in(ctf_integer(const sigset_t *, sigmask, sigmask))
+ sc_in(ctf_integer(size_t, sigsetsize, sigsetsize))
+ sc_inout(ctf_integer(unsigned int, nfds, nfds))
+ sc_inout(ctf_integer(unsigned int, fds_length, tp_locvar->fds_length))
+ sc_inout(ctf_integer(uint8_t, overflow, tp_locvar->overflow))
+ LTTNG_SYSCALL_POLL_fds_field
+ ),
+ TP_code_post(
+ LTTNG_SYSCALL_POLL_code_post
+ )
+)
+#endif /* defined(CONFIG_X86_32) || defined(CONFIG_ARM) */
+
#include <linux/eventpoll.h>
SC_LTTNG_TRACEPOINT_ENUM(lttng_epoll_op,
#endif /* CONFIG_COMPAT_OLD_SIGACTION */
#endif
+/*
+ * Override 'pipe' to set the output field 'fildes' to an array of 2 integers
+ * instead of the default integer pointer.
+ */
#define OVERRIDE_32_pipe
#define OVERRIDE_64_pipe
SC_LTTNG_TRACEPOINT_EVENT(pipe,
TP_code_post()
)
+/*
+ * Override 'pipe' to set the output field 'fildes' to an array of 2 integers
+ * instead of the default integer pointer.
+ */
#define OVERRIDE_64_pipe
SC_LTTNG_TRACEPOINT_EVENT(pipe,
TP_PROTO(sc_exit(long ret,) int * fildes),
-/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) */
+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) */
#ifndef _LTTNG_UTILS_H
#define _LTTNG_UTILS_H
}
#endif
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,10,0))
+static inline
+bool lttng_close_on_exec(unsigned int fd, const struct files_struct *files)
+{
+ return close_on_exec(fd, files);
+}
+#else
+static inline
+bool lttng_close_on_exec(unsigned int fd, const struct files_struct *files)
+{
+ return close_on_exec(fd, files_fdtable(files));
+}
+#endif
+
#endif /* _LTTNG_WRAPPER_FDTABLE_H */
-/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
*
* lttng-ring-buffer-event-notifier-client.c
*
-/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
*
* lttng-ring-buffer-event-notifier-client.h
*
#include <wrapper/fdtable.h>
#include <wrapper/tracepoint.h>
#include <wrapper/blkdev.h>
-#include <wrapper/fdtable.h>
#include <wrapper/sched.h>
/* Define the tracepoints, but do not build the probes */
*/
flags &= ~FMODE_NONOTIFY;
fdt = files_fdtable(ctx->files);
+
/*
- * We need to check here again whether fd is within the fdt
- * max_fds range, because we might be seeing a different
- * files_fdtable() than iterate_fd(), assuming only RCU is
- * protecting the read. In reality, iterate_fd() holds
- * file_lock, which should ensure the fdt does not change while
- * the lock is taken, but we are not aware whether this is
- * guaranteed or not, so play safe.
+ * The fdt should only grow and iterate_fd() holds file_lock, which
+ * should ensure the fdt does not change while the lock is taken but be
+ * cautious and check anyway.
*/
- if (fd < fdt->max_fds && close_on_exec(fd, fdt))
+ if (WARN_ON_ONCE(fd >= fdt->max_fds))
+ return 0;
+
+ if (lttng_close_on_exec(fd, ctx->files))
flags |= O_CLOEXEC;
+
+ /*
+ * If d_path() failed to get a full path for the file, use the dentry
+ * name instead to at least get a filename.
+ */
if (IS_ERR(s)) {
struct dentry *dentry = file->f_path.dentry;
# SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
# example usage:
-# lttng-get-syscall-inout.sh table-syscall-inout.txt select 1
+# lttng-get-syscall-inout.sh arm-64 select 5 1
ARCH_NAME=$1
SYSCALL_NAME=$2
# Delete temp file on exit
trap 'rm -f "$TMPFILE"' EXIT
-if [ "${GENERIC_INOUT_DESCRIPTION_FILE}" = "" ]; then
- echo "Error: Please specify input file name as first argument" >&2
+if [ "${ARCH_NAME}" = "" ]; then
+ echo "Error: Please specify the arch name as first argument" >&2
exit 1
fi
if [ "${SYSCALL_NAME}" = "" ]; then
- echo "Error: Please specify system call name as second argument" >&2
+ echo "Error: Please specify the system call name as second argument" >&2
+ exit 1
+fi
+
+if [[ "${NB_ARGS}" = "" ]]; then
+ echo "Error: Please specify a number of arguments as third argument" >&2
exit 1
fi
if [[ "${ARG_NR}" = "" || ${ARG_NR} == 0 ]]; then
- echo "Error: Please specify argument number larger than 0 as third argument" >&2
+ echo "Error: Please specify an argument number larger than 0 as fourth argument" >&2
exit 1
fi
projects / lttng-modules.git / commitdiff
