ChangeLog

   1 2013-07-11 LTTng modules 2.1.3
   2         * Fix: ring buffer: get_subbuf() checks should be performed on "consumed" parameter
   3         * Fix: SWITCH_FLUSH new sub-buffer checks
   4         * Fix: ring buffer: handle concurrent update in nested buffer wrap around check
   5         * Fix: handle writes of length 0
   6         * Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption
   7
   8 2013-06-18 LTTng modules 2.1.2
   9         * Fix build and load against linux-2.6.33.x
  10         * fix block instrumentation probe signature mismatch for 3.9.x kernels
  11         * fix: block instrumentation: NULL pointer dereference
  12         * Fix: 3.9.0 block layer instrumentation build
  13         * block: update instrumentation to 3.9 rc kernel
  14         * Backport block-related changes from "Update kernel probes to more detailed match to kernel versions"
  15         * Fix: warning kvm_trace_exit_reason redefined for 3.9 kernel
  16         * Fix 3.8 kernel support: namespace lttng_is_signed_type()
  17         * lttng-module: sched.h: Fix compilation on 3.9 kernel
  18         * Fix: don't flush-final for offset 0 if reader is on sub-buffer
  19
  20 2013-02-14 LTTng modules 2.1.1
  21         * Fix: statedump: missing locking, use lttng_iterate_fd
  22         * Implement lttng_iterate_fd wrapper
  23         * Fix check in lttng_strlen_user_inatomic
  24         * Fix: statedump hang/too early completion due to logic error
  25         * Fix: statedump hang due to incorrect wait/wakeup use
  26
  27 2012-12-20 (13th Baktun) LTTng modules 2.1.0
  28         * put_ulong calls in lib_ring_buffer_compat_ioctl() should be compat
  29         * wrapper/perf.h: Fix kernel version condition
  30         * Fix possible kernel build errors with linux-patches
  31         * Add missing MIT license text to 3 files under this license
  32         * Check if interrupt action name is not null in statedump
  33         * Fix exec instrumentation: only for kernels 3.4.0 and higher
  34         * Add TRACE_EVENT(sched_process_exec) to sched.h
  35         * lib/ringbuffer/frontend_api.h: Include linux/prefetch.h.
  36         * Fix warning with 3.6.0 kernel
  37         * ABI with support for compat 32/64 bits
  38         * Perform calculation on bit size in 64-bit
  39         * Use uint64_t for packet header content size and packet size
  40         * Fix: compat layer only on supported architectures
  41         * Fix ring buffer 32/64 bits compat
  42         * Fix cleanup: move lttng-tracer-core.h include to lib ringbuffer config.h
  43         * Fix ring_buffer_frontend.c: missing include lttng-tracer-core.h
  44         * Fix: statedump missing check for NULL namespace
  45
  46 2012-09-10 LTTng modules 2.1.0-rc1
  47         * fix timestamps on architectures without CONFIG_KTIME_SCALAR
  48         * Support for linux kernels 2.6.32 through 2.6.37
  49         * Document limitation of vppid and ppid context wrt eventual RCU instrumentation
  50         * Cleanup: no need to hold RCU read-side lock when reading current nsproxy
  51         * Add env hostname information
  52         * Fix: lttng_statedump_process_state for each PID NS has infinite loop
  53         * lttng_statedump_process_state for each PID NS
  54         * Support the hostname context
  55         * Fix: statedump namespaced pid, tid and ppid
  56         * Fix: statedump: disable vm maps enumeration
  57         * Fix: ensure userspace accesses are done with _inatomic
  58         * Fix: vppid context should test for current nsproxy
  59         * Add MIPS system call support
  60         * Change mode of lttng-syscalls-generate-headers.sh to 755
  61         * cleanup: fix typo in syscall instrumentation header
  62         * Cleanup: remove trailing whitespace in README
  63         * trace event: introduce TP_MODULE_NOAUTOLOAD and TP_MODULE_NOINIT
  64         * LTTng: probe-statedump: add #include <linux/sched.h>
  65         * fix: signal_generate event should print utf8 for comm field
  66         * Makes write operation a parameter for tp_memcpy macro
  67         * Add coding style document
  68         * Update instrumentation/events README file
  69         * Add makefile target for preprocessor
  70         * Fix: free_event_id check should compare unsigned int with -1U
  71         * Use unsigned long type for events discarded counter
  72         * Fix: update signal instrumentation for 3.4 kernel
  73         * LTTng Modules ARM syscall instrumentation
  74         * Fix: generate header missing echo -e for escape chars
  75         * Fix: add missing uaccess.h include (for ARM)
  76         * README: Document that CONFIG_MODULES is required
  77         * Fix: README typo
  78         * Fix: document required and optional kernel config options in README
  79
  80 2012-03-29 LTTng modules 2.0.1
  81         * Fix: is_compat_task !CONFIG_COMPAT compile error on kernels >= 3.3
  82
  83 2012-03-20 LTTng modules 2.0.0
  84         * First STABLE version
  85         * Add version name
  86
  87 2012-03-20 LTTng modules 2.0.0-rc4
  88         * Update README and add version name place-holder
  89
  90 2012-03-16 LTTng modules 2.0.0-rc3
  91         * Fix clock offset 32-bit multiplication overflow
  92         * Fix : wrong assign of fd in state dump
  93         * License cleanup, ifdef namespace cleanup
  94         * Fix: ensure power of 2 check handles 64-bit size_t entirely
  95
  96 2012-03-02 LTTng modules 2.0.0-rc2
  97         * Fix: dmesg printout should not print metadata warnings
  98         * Fix: use transport name as channel name
  99         * Fix: Return -EINVAL instead of print warning if non power of 2 size/num_subbuf
 100
 101 2012-02-20 LTTng modules 2.0.0-rc1
 102         * Standardize version across toolchain
 103         * statedump: Use old macro name for kernel 2.6.38
 104
 105 2012-02-16 LTTng modules 2.0-pre15
 106         * Add timer instrumentation
 107         * fix: need to undef mainline define
 108         * fix: Include signal.h instead of irq.h for prototype match check
 109         * Add signal instrumentation
 110
 111 2012-02-16 LTTng modules 2.0-pre14
 112         * syscall tracing: sys_getcpu
 113         * Add sys_clone x86 instrumentation
 114         * statedump: fix include circular dep
 115         * Implement state dump
 116
 117 2012-02-09 LTTng modules 2.0-pre13
 118         * Update README
 119         * environment: write sysname, release, version, domain to metadata
 120         * Allow open /proc/lttng for read & write
 121
 122 2012-02-02 LTTng modules 2.0-pre12
 123         * Add x86 32/64 execve syscall instrumentation override
 124         * Remove unused defines
 125         * Add padding to ABI
 126         * Use LTTNG_KERNEL_SYM_NAME_LEN
 127         * Update version to 1.9.9
 128         * Add missing double-quotes to clock uuid
 129         * clock: read bootid as clock monotonic ID
 130         * Fix comment
 131         * Cleanup comment
 132         * clock: output clock description in metadata
 133         * Properly fix the timekeeping overflow detection
 134         * Fix init bug
 135         * rename lib-ring-buffer to lttng-lib-ring-buffer
 136         * Remove #warning
 137         * Mass rename: ltt_*/ltt-* to LTTNG_*/LTTNG-*
 138         * Update TODO
 139         * Update TODO
 140         * Remove debugfs file (keep only proc file)
 141         * Rename lttng-debugfs-abi files to lttng-abi
 142
 143 2011-12-13 LTTng modules 2.0-pre11
 144         * Fix OOPS caused by reference of config pointer
 145         * Gather detailed info from x86 64 32-bit compat syscall instrumentation
 146         * lttng lib: ring buffer move null pointer check to open
 147         * lttng lib: ring buffer remove duplicate null pointer
 148         * lttng lib: ring buffer: remove stale null-pointer
 149         * lttng wrapper: add missing include to kallsyms wrapper
 150         * lttng: cleanup one-bit signed bitfields
 151         * Add TODO file
 152         * Update symbol name length max size to 256
 153         * Fix last modifications to string_from_user operations
 154         * Document that depmod needs to be executed by hand
 155         * Fix strlen_user fault space reservation
 156         * Fix tp_copy_string_from_user handling of faults
 157         * Disable block layer tracing support for kernels < 2.6.38
 158         * lttng context: perf counter, fix 32-bit vs 64-bit field size bug
 159         * Update trace clock warning to match the current development plan
 160         * ringbuffer: make ring buffer printk less verbose
 161         * Makefile: do not run depmod manually
 162
 163 2011-09-30 LTTng modules 2.0-pre10
 164         * x86-32: override sys_mmap syscall instrumentation
 165         * Fix cast warning
 166
 167 2011-09-29 LTTng modules 2.0-pre9
 168         * x86 32 syscalls: fix !CONFIG_UID16
 169         * Use __string_from_user
 170         * Add __string_from_user
 171         * Rename "comm" context to "procname"
 172         * Fetch "type" name field for mount syscall
 173         * Create common override file for all architectures
 174         * Shrink stack size usage
 175         * Cleanup: remove unused lttng-compat-syscalls.c file
 176         * Support detailed compat syscalls on x86_64
 177         * Fix syscall table
 178         * Add disabled compat syscalls detail (work in progress)
 179         * Add config compat support for detailed x86_32 syscalls
 180         * Handle newer 3.1+ perf API
 181         * Add dummy x86-32 override headers
 182         * Bind x86-32 syscall headers
 183         * Add x86-32 syscall headers
 184         * Add check for KALLSYMS_ALL in syscall extraction script
 185         * Automate string extraction for syscalls
 186         * Automate syscall filename/pathname extraction
 187         * Add exit to ring_buffer_frontend so module is unloadable
 188         * Add sys_open filename (x86_64)
 189         * Add missing memcpy callback
 190         * copy_from_user and memset
 191         * Add missing alignment after header write
 192         * lib ring buffer: add frontend init as module_init
 193         * lib ring buffer frontend: add missing lock initialization
 194         * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address (missing file)
 195         * ARM: Set bit 0 for thumb mode in kallsyms_lookup_name returned address
 196         * Create override for sys_mmap
 197         * Rename syscalls -> syscall in LTTng ABI
 198         * Use different event name for compat syscalls
 199         * Allow trace syscall table override
 200         * Add dummy override files
 201         * syscall detail: add override capability
 202         * Add pointer pretty-print heuristics
 203         * Add __field_hex
 204         * Rename sys exit errno into ret
 205         * Enable detailed syscalls only for native x86_64
 206         * Use "unknown" for compat syscalls
 207         * Disable x86-64 specific detailed syscalls for now, until we deal with 32-bit compat
 208         * Fix syscall exit
 209         * Fix sys exit
 210         * Only enable detailed syscalls for x86_64 for now
 211         * Merge unknown syscall method with extended detail method
 212         * Add underscore prefix before event names
 213         * Add syscalls pointers detailed syscall tracing
 214         * Use perl for regexp
 215         * Support generation of syscall probes for those with pointers
 216         * Support detailed syscalls with 0 arguments
 217         * detailed syscall tracing (work in progress)
 218         * Expose /proc/lttng file
 219         * Implement detailed syscall event probe
 220         * Disable perf build for < 2.6.33 kernels
 221         * Syscall detail mode: generate syscall table
 222         * block instrumentation: write cmd as hex sequence
 223         * lttng-events TRACE_EVENT generator cleanup
 224         * block layer instrumentation: fix cmd field
 225         * Remove 0 args syscalls for now from type-aware syscall cb generator
 226         * Generate trace syscall table macros
 227         * Put syscall tracing without arg types back in place
 228         * Detailed system call tracing (TRACE_EVENT() generation for integer support)
 229         * lttng events probes: don't clash with "ctx" variable name
 230         * lib ring buffer must take private pointer copy before decrementing refcount
 231
 232 2011-08-16 LTTng modules 2.0-pre8
 233         * Fix metadata buffer wait/wakeup
 234
 235 2011-08-12 LTTng modules 2.0-pre7
 236         * Add missing module refcount to lttng_tracepoint_list_fops
 237         * Add license info about lib/ringbuffer/ring_buffer_mmap.c being GPLv2