ChangeLog

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