X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng-share.h;h=7f82cf6a59caf226b8a12ef3313894c74747e250;hb=76e3c5dd48044ac0f117b34489e039feb669e9d7;hp=cd971c355044d9351dcd42f72f9b086df8f93a12;hpb=b9f1dd6997ea64db8c140c617d2a74cf90767e3b;p=lttng-tools.git diff --git a/include/lttng-share.h b/include/lttng-share.h index cd971c355..7f82cf6a5 100644 --- a/include/lttng-share.h +++ b/include/lttng-share.h @@ -3,8 +3,8 @@ * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. + * as published by the Free Software Foundation; only version 2 + * of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -30,13 +30,20 @@ typedef __s64 s64; #define LTTNG_RUNDIR "/var/run/lttng" /* Default channel attributes */ -#define DEFAULT_CHANNEL_NAME "channel0" -#define DEFAULT_CHANNEL_OVERWRITE 0 -#define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ -#define DEFAULT_CHANNEL_SUBBUF_NUM 8 /* Must always be a power of 2 */ -#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */ -#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */ -#define DEFAULT_CHANNEL_OUTPUT 0 /* splice, mmap (0: SPLICE, 1: MMAP, see lttng.h) */ +#define DEFAULT_CHANNEL_NAME "channel0" +#define DEFAULT_CHANNEL_OVERWRITE 0 /* usec */ +/* DEFAULT_CHANNEL_SUBBUF_SIZE must always be a power of 2 */ +#define DEFAULT_CHANNEL_SUBBUF_SIZE 4096 /* bytes */ +/* DEFAULT_CHANNEL_SUBBUF_NUM must always be a power of 2 */ +#define DEFAULT_CHANNEL_SUBBUF_NUM 8 +#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */ +#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */ +/* See lttng-kernel.h enum lttng_kernel_output for channel output */ +#define DEFAULT_KERNEL_CHANNEL_OUTPUT LTTNG_EVENT_SPLICE + +/* == NOT IMPLEMENTED == +#define DEFAULT_UST_CHANNEL_OUTPUT LTTNG_UST_MMAP +*/ /* * lttng user-space instrumentation type