X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-context-pid.c;h=b3caabb4fa6c057c01c875ad5503cd19d49fdead;hp=698b242245a28b6e38484f65f21f129e53ab9774;hb=cef5d79ec834edb32f33cdf45ad10b3b32e59726;hpb=44252f0fd51fd4bf28926dcef525355bceb08c5f diff --git a/lttng-context-pid.c b/lttng-context-pid.c index 698b2422..b3caabb4 100644 --- a/lttng-context-pid.c +++ b/lttng-context-pid.c @@ -1,26 +1,26 @@ -/* - * (C) Copyright 2009-2011 - - * Mathieu Desnoyers +/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) + * + * lttng-context-pid.c * * LTTng PID context. * - * Dual LGPL v2.1/GPL v2 license. + * Copyright (C) 2009-2012 Mathieu Desnoyers */ #include #include #include -#include "ltt-events.h" -#include "wrapper/ringbuffer/frontend_types.h" -#include "wrapper/vmalloc.h" -#include "ltt-tracer.h" +#include +#include +#include +#include static size_t pid_get_size(size_t offset) { size_t size = 0; - size += lib_ring_buffer_align(offset, ltt_alignof(pid_t)); + size += lib_ring_buffer_align(offset, lttng_alignof(pid_t)); size += sizeof(pid_t); return size; } @@ -28,15 +28,23 @@ size_t pid_get_size(size_t offset) static void pid_record(struct lttng_ctx_field *field, struct lib_ring_buffer_ctx *ctx, - struct ltt_channel *chan) + struct lttng_channel *chan) { pid_t pid; pid = task_tgid_nr(current); - lib_ring_buffer_align_ctx(ctx, ltt_alignof(pid)); + lib_ring_buffer_align_ctx(ctx, lttng_alignof(pid)); chan->ops->event_write(ctx, &pid, sizeof(pid)); } +static +void pid_get_value(struct lttng_ctx_field *field, + struct lttng_probe_ctx *lttng_probe_ctx, + union lttng_ctx_value *value) +{ + value->s64 = task_tgid_nr(current); +} + int lttng_add_pid_to_ctx(struct lttng_ctx **ctx) { struct lttng_ctx_field *field; @@ -51,18 +59,16 @@ int lttng_add_pid_to_ctx(struct lttng_ctx **ctx) field->event_field.name = "pid"; field->event_field.type.atype = atype_integer; field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT; - field->event_field.type.u.basic.integer.alignment = ltt_alignof(pid_t) * CHAR_BIT; - field->event_field.type.u.basic.integer.signedness = is_signed_type(pid_t); + field->event_field.type.u.basic.integer.alignment = lttng_alignof(pid_t) * CHAR_BIT; + field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(pid_t); field->event_field.type.u.basic.integer.reverse_byte_order = 0; field->event_field.type.u.basic.integer.base = 10; field->event_field.type.u.basic.integer.encoding = lttng_encode_none; field->get_size = pid_get_size; field->record = pid_record; + field->get_value = pid_get_value; + lttng_context_update(*ctx); wrapper_vmalloc_sync_all(); return 0; } EXPORT_SYMBOL_GPL(lttng_add_pid_to_ctx); - -MODULE_LICENSE("GPL and additional rights"); -MODULE_AUTHOR("Mathieu Desnoyers"); -MODULE_DESCRIPTION("Linux Trace Toolkit PID Context");