X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=doc%2Fman%2Flttng-ust.3.txt;fp=doc%2Fman%2Flttng-ust.3.txt;h=0864b9a303da9f78631acbb4bc3549b05993259e;hb=97572c0438845cee953ebd3e39615f78bfa405a7;hp=12f2d65d3e8ca09b37c3591e550d0119173dd287;hpb=4b01076fea0f635af6af6762a8edce1be03e5d39;p=lttng-ust.git diff --git a/doc/man/lttng-ust.3.txt b/doc/man/lttng-ust.3.txt index 12f2d65d..0864b9a3 100644 --- a/doc/man/lttng-ust.3.txt +++ b/doc/man/lttng-ust.3.txt @@ -1556,6 +1556,23 @@ affect application timings. documentation under https://github.com/lttng/lttng-ust/tree/v{lttng_version}/doc/examples/getcpu-override[`examples/getcpu-override`]. +`LTTNG_UST_MAP_POPULATE_POLICY`:: ++ +-- +If set, override the policy used to populate shared memory pages +within the application. The expected values are: + +`none`::: + Do not pre-populate any pages, take minor faults on first access + while tracing. + +`cpu_possible`::: + Pre-populate pages for all possible CPUs in the system, as + listed by `/sys/devices/system/cpu/possible`. +-- ++ +Default: `none`. If the policy is unknown, use the default. + `LTTNG_UST_REGISTER_TIMEOUT`:: Waiting time for the _registration done_ session daemon command before proceeding to execute the main program (milliseconds).