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This 2.13.18 release mainly introduces support for newer vanilla and distribution kernels. It also updates the generated system call instrumentation for 32-bit ARM, 64-bit ARM, x86-32, and x86-64 so the more recent system calls (up to kernel 6.0) are instrumented in with detailed semantics. The LTTng project provides low-overhead, correlated userspace and kernel tracing on Linux. Its use of the Common Trace Format and a flexible control interface allows it to fulfill various workloads. * Detailed change log: 2025-04-14 (National Gardening Day) 2.13.18 * Fix: trace_balance_dirty_pages parameters changed in Linux v6.14.2 * Fix: trace_balance_dirty_pages parameters changed in Linux v6.15-rc1 * Fix: Generic `compat_sys_rt_sigaction` did not exist prior to Linux 3.9 * fix: Add missing 'pselect6_time32' and 'ppoll_time32' syscall overrides * Build fix: arm64: incomplete landlock_rule_type type * Fix: define old_sigaction as compat_old_sigaction in arm32 compat * Fix: Use ifdef for CONFIG_COMPAT_OLD_SIGACTION * Fix: system call instrumentation build failure on v3.0-v3.10 RT kernel * Fix: add missing typedef and forward declarations for old kernels * Add generated arm-32 syscall instrumentation for kernel 6.0.7 * Add generated x86-32 syscall instrumentation for kernel 6.0.7 * Fix: define old_sigaction as compat_old_sigaction in x86-32 compat * Add generated arm-64 syscall instrumentation for kernel 6.0.7 * Add generated x86-64 syscall instrumentation for kernel 6.0.7 * syscall instrumentation: add missing forward declarations for old kernels * Revert "Fix: powerpc builds with linux v6.13" * Fix: jbd2 tid type changed in SLE15 SP5 * Fix: migratepages removed from compaction_migratepages in SLE15 SP5 * Fix: block request field `rq_disk` removed in SLE15 SP5 * Fix: REQ_OP_WRITE_SAME removed in SLE15 SP5 * Fix: genhd.h removed in SLE15 SP5 * Fix: Missing scsi/scsi_request.h with SLE15 SP5 * Fix: powerpc builds with linux v6.13 Project website: https://lttng.org Documentation: https://lttng.org/docs Download link: https://lttng.org/download Enjoy! Mathieu -- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com