X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=README.md;h=38d533953055443563d287363584c0d413e59f1d;hb=93e9f463b4cc4af01a007499de4d61222668b6b7;hp=450f3630d582ebf63f47161e93c23cacb59fd544;hpb=47491cdffd394f09524657e9be1e90d4bb644f2f;p=lttng-modules.git diff --git a/README.md b/README.md index 450f3630..38d53395 100644 --- a/README.md +++ b/README.md @@ -66,6 +66,7 @@ Make sure your target kernel has the following config options enabled: - `CONFIG_TRACEPOINTS`: kernel tracepoint instrumentation (enabled as a side-effect of any of the perf/ftrace/blktrace instrumentation features). + - `CONFIG_KPROBES` (5.7+): use kallsyms for kernel 5.7 and newer. ### Supported (optional) kernel config options @@ -94,6 +95,21 @@ available from LTTng: - `CONFIG_KALLSYMS_ALL`: state dump of mapping between block device number and name +### LTTng specific kernel config options + +The following kernel configuration options are provided by LTTng: + + - `CONFIG_LTTNG`: Build LTTng (Defaults to 'm'). + - `CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM`: Enable the experimental bitwise + enumerations (Defaults to 'n'). This can be enabled by building with: + + make CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM=y + + - `CONFIG_LTTNG_CLOCK_PLUGIN_TEST`: Build the test clock plugin (Defaults to + 'm'). This plugin overrides the trace clock and should always be built as a + module for testing. + + Customization/Extension ----------------------- @@ -120,7 +136,7 @@ to print traces as a human-readable text log. Support ------- -Linux kernels >= 3.0 are supported. +Linux kernels >= 4.4 are supported. Notes @@ -132,3 +148,25 @@ Each PMU counter has its zero value set when it is attached to a context with add-context. Therefore, it is normal that the same counters attached to both the stream context and event context show different values for a given event; what matters is that they increment at the same rate. + + +Contacts +-------- + +You can contact the maintainers on the following mailing list: +`lttng-dev@lists.lttng.org`. + +IRC channel: [#lttng](irc://irc.oftc.net/lttng) on the OFTC network + +Bug tracker: [LTTng-modules bug tracker](https://bugs.lttng.org/projects/lttng-modules) + +Code review: [_lttng-modules_ project](https://review.lttng.org/q/project:lttng-modules) on LTTng Review + +Continuous integration: [LTTng-modules](https://ci.lttng.org/view/LTTng-modules/) on LTTng's CI + +GitHub mirror: [lttng/lttng-modules](https://github.com/lttng/lttng-modules) + +Patches are principally submitted and reviewed on [LTTng Review](https://review.lttng.org), +but may also be submitted to the [mailing list](mailto:lttng-dev@lists.lttng.org) +with the subject prefix `PATCH lttng-modules` or by pull request on the +[GitHub mirror](https://github.com/lttng/lttng-modules).