X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fevent-rule%2Fkernel-tracepoint-internal.h;fp=include%2Flttng%2Fevent-rule%2Fkernel-tracepoint-internal.h;h=f7065f92419aca295d9aa78666a128d3698636f8;hp=0000000000000000000000000000000000000000;hb=af0818efba7511c6cd42806504102151d1a4c973;hpb=85522de5747fee084e2e391678a79918355345da diff --git a/include/lttng/event-rule/kernel-tracepoint-internal.h b/include/lttng/event-rule/kernel-tracepoint-internal.h new file mode 100644 index 000000000..f7065f924 --- /dev/null +++ b/include/lttng/event-rule/kernel-tracepoint-internal.h @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2019 Jonathan Rajotte + * + * SPDX-License-Identifier: LGPL-2.1-only + * + */ + +#ifndef LTTNG_EVENT_RULE_KERNEL_TRACEPOINT_INTERNAL_H +#define LTTNG_EVENT_RULE_KERNEL_TRACEPOINT_INTERNAL_H + +#include +#include +#include +#include +#include +#include + +struct lttng_event_rule_kernel_tracepoint { + struct lttng_event_rule parent; + + /* Name pattern. */ + char *pattern; + + /* Filter. */ + char *filter_expression; + + /* internal use only. */ + struct { + char *filter; + struct lttng_bytecode *bytecode; + } internal_filter; +}; + +struct lttng_event_rule_kernel_tracepoint_comm { + /* Includes terminator `\0`. */ + uint32_t pattern_len; + /* Includes terminator `\0`. */ + uint32_t filter_expression_len; + /* + * Payload is composed of, in that order: + * - pattern (null terminated), + * - filter expression (null terminated), + */ + char payload[]; +} LTTNG_PACKED; + +LTTNG_HIDDEN +ssize_t lttng_event_rule_kernel_tracepoint_create_from_payload( + struct lttng_payload_view *view, + struct lttng_event_rule **rule); + +#endif /* LTTNG_EVENT_RULE_KERNEL_TRACEPOINT_INTERNAL_H */