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Message-ID: <20061124215712.GG25048@Krystal>
Date: Fri, 24 Nov 2006 16:57:12 -0500
From: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To: linux-kernel@...r.kernel.org,
Christoph Hellwig <hch@...radead.org>,
Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...hat.com>,
Greg Kroah-Hartman <gregkh@...e.de>,
Thomas Gleixner <tglx@...utronix.de>,
Tom Zanussi <zanussi@...ibm.com>,
Karim Yaghmour <karim@...rsys.com>,
Paul Mundt <lethal@...ux-sh.org>, Jes Sorensen <jes@....com>,
Richard J Moore <richardj_moore@...ibm.com>,
"Martin J. Bligh" <mbligh@...igh.org>,
Michel Dagenais <michel.dagenais@...ymtl.ca>,
Douglas Niehaus <niehaus@...s.ku.edu>, ltt-dev@...fik.org,
systemtap@...rces.redhat.com
Subject: [PATCH 6/16] LTTng 0.6.36 for 2.6.18 : Core facility headers
Facility (event group) "core". Headers.
patch06-2.6.18-lttng-core-0.6.36-facility-core-headers.diff
Signed-off-by : Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
--BEGIN--
--- /dev/null
+++ b/include/ltt/ltt-facility-core.h
@@ -0,0 +1,836 @@
+#ifndef _LTT_FACILITY_CORE_H_
+#define _LTT_FACILITY_CORE_H_
+
+#include <linux/types.h>
+#include <ltt/ltt-facility-id-core.h>
+#include <ltt/ltt-tracer.h>
+
+/* Named types */
+
+/* Event facility_load structures */
+static inline void lttng_write_string_core_facility_load_name(
+ char *buffer,
+ size_t *to_base,
+ size_t *to,
+ const char **from,
+ size_t *len,
+ const char * obj)
+{
+ size_t size;
+ size_t align;
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ if (buffer != NULL)
+ memcpy(buffer+*to_base+*to, *from, *len);
+ }
+ *to += *len;
+ *len = 0;
+
+ align = sizeof(char);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ /* Contains variable sized fields : must explode the structure */
+
+ size = strlen(obj) + 1; /* Include final NULL char. */
+ if (buffer != NULL)
+ memcpy(buffer+*to_base+*to, obj, size);
+ *to += size;
+
+ /* Realign the *to_base on arch size, set *to to 0 */
+ *to += ltt_align(*to, sizeof(void *));
+ *to_base = *to_base+*to;
+ *to = 0;
+
+ /* Put source *from just after the C string */
+ *from += size;
+}
+
+
+/* Event facility_load logging function */
+static inline void trace_core_facility_load(
+ const char * lttng_param_name,
+ unsigned int lttng_param_checksum,
+ unsigned int lttng_param_id,
+ unsigned int lttng_param_int_size,
+ unsigned int lttng_param_long_size,
+ unsigned int lttng_param_pointer_size,
+ unsigned int lttng_param_size_t_size,
+ unsigned int lttng_param_has_alignment)
+{
+ unsigned int index;
+ struct ltt_channel_struct *channel;
+ struct ltt_trace_struct *trace;
+ void *transport_data;
+ char *buffer = NULL;
+ size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */
+ size_t *to_base = &real_to_base;
+ size_t real_to = 0;
+ size_t *to = &real_to;
+ size_t real_len = 0;
+ size_t *len = &real_len;
+ size_t reserve_size;
+ size_t slot_size;
+ size_t align;
+ const char *real_from;
+ const char **from = &real_from;
+ u64 tsc;
+ size_t before_hdr_pad, after_hdr_pad, header_size;
+
+ if (ltt_traces.num_active_traces == 0)
+ return;
+
+ /* For each field, calculate the field size. */
+ /* size = *to_base + *to + *len */
+ /* Assume that the padding for alignment starts at a
+ * sizeof(void *) address. */
+
+ *from = (const char*)lttng_param_name;
+ lttng_write_string_core_facility_load_name(buffer, to_base, to, from, len, lttng_param_name);
+
+ *from = (const char*)<tng_param_checksum;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_id;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_int_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_long_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_pointer_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_size_t_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_has_alignment;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ reserve_size = *to_base + *to + *len;
+ preempt_disable();
+ ltt_nesting[smp_processor_id()]++;
+ index = ltt_get_index_from_facility_core( event_core_facility_load);
+
+ list_for_each_entry_rcu(trace, <t_traces.head, list) {
+ if (!trace->active)
+ continue;
+
+ channel = ltt_get_channel_from_index(trace, index);
+
+ slot_size = 0;
+ buffer = ltt_reserve_slot(trace, channel, &transport_data,
+ reserve_size, &slot_size, &tsc,
+ &before_hdr_pad, &after_hdr_pad, &header_size);
+ if (!buffer)
+ continue; /* buffer full */
+
+ *to_base = *to = *len = 0;
+
+ ltt_write_event_header(trace, channel, buffer,
+ ltt_facility_core_1A8DE486, event_core_facility_load,
+ reserve_size, before_hdr_pad, tsc);
+ *to_base += before_hdr_pad + after_hdr_pad + header_size;
+
+ *from = (const char*)lttng_param_name;
+ lttng_write_string_core_facility_load_name(buffer, to_base, to, from, len, lttng_param_name);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_checksum;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_id;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_int_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_long_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_pointer_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_size_t_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_has_alignment;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ ltt_commit_slot(channel, &transport_data, buffer, slot_size);
+
+ }
+
+ ltt_nesting[smp_processor_id()]--;
+ preempt_enable_no_resched();
+}
+
+/* Event facility_unload structures */
+
+/* Event facility_unload logging function */
+static inline void trace_core_facility_unload(
+ unsigned int lttng_param_id)
+{
+ unsigned int index;
+ struct ltt_channel_struct *channel;
+ struct ltt_trace_struct *trace;
+ void *transport_data;
+ char *buffer = NULL;
+ size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */
+ size_t *to_base = &real_to_base;
+ size_t real_to = 0;
+ size_t *to = &real_to;
+ size_t real_len = 0;
+ size_t *len = &real_len;
+ size_t reserve_size;
+ size_t slot_size;
+ size_t align;
+ const char *real_from;
+ const char **from = &real_from;
+ u64 tsc;
+ size_t before_hdr_pad, after_hdr_pad, header_size;
+
+ if (ltt_traces.num_active_traces == 0)
+ return;
+
+ /* For each field, calculate the field size. */
+ /* size = *to_base + *to + *len */
+ /* Assume that the padding for alignment starts at a
+ * sizeof(void *) address. */
+
+ *from = (const char*)<tng_param_id;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ reserve_size = *to_base + *to + *len;
+ preempt_disable();
+ ltt_nesting[smp_processor_id()]++;
+ index = ltt_get_index_from_facility_core( event_core_facility_unload);
+
+ list_for_each_entry_rcu(trace, <t_traces.head, list) {
+ if (!trace->active)
+ continue;
+
+ channel = ltt_get_channel_from_index(trace, index);
+
+ slot_size = 0;
+ buffer = ltt_reserve_slot(trace, channel, &transport_data,
+ reserve_size, &slot_size, &tsc,
+ &before_hdr_pad, &after_hdr_pad, &header_size);
+ if (!buffer)
+ continue; /* buffer full */
+
+ *to_base = *to = *len = 0;
+
+ ltt_write_event_header(trace, channel, buffer,
+ ltt_facility_core_1A8DE486, event_core_facility_unload,
+ reserve_size, before_hdr_pad, tsc);
+ *to_base += before_hdr_pad + after_hdr_pad + header_size;
+
+ *from = (const char*)<tng_param_id;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ ltt_commit_slot(channel, &transport_data, buffer, slot_size);
+
+ }
+
+ ltt_nesting[smp_processor_id()]--;
+ preempt_enable_no_resched();
+}
+
+/* Event time_heartbeat structures */
+
+/* Event time_heartbeat logging function */
+static inline void trace_core_time_heartbeat(
+unsigned int tracefile_index)
+{
+ unsigned int index;
+ struct ltt_channel_struct *channel;
+ struct ltt_trace_struct *trace;
+ void *transport_data;
+ char *buffer = NULL;
+ size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */
+ size_t *to_base = &real_to_base;
+ size_t real_to = 0;
+ size_t *to = &real_to;
+ size_t real_len = 0;
+ size_t *len = &real_len;
+ size_t reserve_size;
+ size_t slot_size;
+ u64 tsc;
+ size_t before_hdr_pad, after_hdr_pad, header_size;
+
+ if (ltt_traces.num_active_traces == 0)
+ return;
+
+ /* For each field, calculate the field size. */
+ /* size = *to_base + *to + *len */
+ /* Assume that the padding for alignment starts at a
+ * sizeof(void *) address. */
+
+ reserve_size = *to_base + *to + *len;
+ preempt_disable();
+ ltt_nesting[smp_processor_id()]++;
+ index = tracefile_index;
+
+ list_for_each_entry_rcu(trace, <t_traces.head, list) {
+ if (!trace->active)
+ continue;
+
+ channel = ltt_get_channel_from_index(trace, index);
+
+ slot_size = 0;
+ buffer = ltt_reserve_slot(trace, channel, &transport_data,
+ reserve_size, &slot_size, &tsc,
+ &before_hdr_pad, &after_hdr_pad, &header_size);
+ if (!buffer)
+ continue; /* buffer full */
+
+ *to_base = *to = *len = 0;
+
+ ltt_write_event_header(trace, channel, buffer,
+ ltt_facility_core_1A8DE486, event_core_time_heartbeat,
+ reserve_size, before_hdr_pad, tsc);
+ *to_base += before_hdr_pad + after_hdr_pad + header_size;
+
+ ltt_commit_slot(channel, &transport_data, buffer, slot_size);
+
+ }
+
+ ltt_nesting[smp_processor_id()]--;
+ preempt_enable_no_resched();
+}
+
+/* Event state_dump_facility_load structures */
+static inline void lttng_write_string_core_state_dump_facility_load_name(
+ char *buffer,
+ size_t *to_base,
+ size_t *to,
+ const char **from,
+ size_t *len,
+ const char * obj)
+{
+ size_t size;
+ size_t align;
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ if (buffer != NULL)
+ memcpy(buffer+*to_base+*to, *from, *len);
+ }
+ *to += *len;
+ *len = 0;
+
+ align = sizeof(char);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ /* Contains variable sized fields : must explode the structure */
+
+ size = strlen(obj) + 1; /* Include final NULL char. */
+ if (buffer != NULL)
+ memcpy(buffer+*to_base+*to, obj, size);
+ *to += size;
+
+ /* Realign the *to_base on arch size, set *to to 0 */
+ *to += ltt_align(*to, sizeof(void *));
+ *to_base = *to_base+*to;
+ *to = 0;
+
+ /* Put source *from just after the C string */
+ *from += size;
+}
+
+
+/* Event state_dump_facility_load logging function */
+static inline void trace_core_state_dump_facility_load(
+ struct ltt_trace_struct *dest_trace,
+ const char * lttng_param_name,
+ unsigned int lttng_param_checksum,
+ unsigned int lttng_param_id,
+ unsigned int lttng_param_int_size,
+ unsigned int lttng_param_long_size,
+ unsigned int lttng_param_pointer_size,
+ unsigned int lttng_param_size_t_size,
+ unsigned int lttng_param_has_alignment)
+{
+ unsigned int index;
+ struct ltt_channel_struct *channel;
+ struct ltt_trace_struct *trace;
+ void *transport_data;
+ char *buffer = NULL;
+ size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */
+ size_t *to_base = &real_to_base;
+ size_t real_to = 0;
+ size_t *to = &real_to;
+ size_t real_len = 0;
+ size_t *len = &real_len;
+ size_t reserve_size;
+ size_t slot_size;
+ size_t align;
+ const char *real_from;
+ const char **from = &real_from;
+ u64 tsc;
+ size_t before_hdr_pad, after_hdr_pad, header_size;
+
+ if (ltt_traces.num_active_traces == 0)
+ return;
+
+ /* For each field, calculate the field size. */
+ /* size = *to_base + *to + *len */
+ /* Assume that the padding for alignment starts at a
+ * sizeof(void *) address. */
+
+ *from = (const char*)lttng_param_name;
+ lttng_write_string_core_state_dump_facility_load_name(buffer, to_base, to, from, len, lttng_param_name);
+
+ *from = (const char*)<tng_param_checksum;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_id;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_int_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_long_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_pointer_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_size_t_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ *from = (const char*)<tng_param_has_alignment;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ reserve_size = *to_base + *to + *len;
+ preempt_disable();
+ ltt_nesting[smp_processor_id()]++;
+ index = ltt_get_index_from_facility_core( event_core_state_dump_facility_load);
+
+ list_for_each_entry_rcu(trace, <t_traces.head, list) {
+ if (!trace->active)
+ continue;
+
+ if (dest_trace != trace)
+ continue;
+
+ channel = ltt_get_channel_from_index(trace, index);
+
+ slot_size = 0;
+ buffer = ltt_reserve_slot(trace, channel, &transport_data,
+ reserve_size, &slot_size, &tsc,
+ &before_hdr_pad, &after_hdr_pad, &header_size);
+ if (!buffer)
+ continue; /* buffer full */
+
+ *to_base = *to = *len = 0;
+
+ ltt_write_event_header(trace, channel, buffer,
+ ltt_facility_core_1A8DE486, event_core_state_dump_facility_load,
+ reserve_size, before_hdr_pad, tsc);
+ *to_base += before_hdr_pad + after_hdr_pad + header_size;
+
+ *from = (const char*)lttng_param_name;
+ lttng_write_string_core_state_dump_facility_load_name(buffer, to_base, to, from, len, lttng_param_name);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_checksum;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_id;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_int_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_long_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_pointer_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_size_t_size;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ *from = (const char*)<tng_param_has_alignment;
+ align = sizeof(unsigned int);
+
+ if (*len == 0) {
+ *to += ltt_align(*to, align); /* align output */
+ } else {
+ *len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */
+ }
+
+ *len += sizeof(unsigned int);
+
+ /* Flush pending memcpy */
+ if (*len != 0) {
+ memcpy(buffer+*to_base+*to, *from, *len);
+ *to += *len;
+ *len = 0;
+ }
+
+ ltt_commit_slot(channel, &transport_data, buffer, slot_size);
+
+ }
+
+ ltt_nesting[smp_processor_id()]--;
+ preempt_enable_no_resched();
+}
+
+#endif //_LTT_FACILITY_CORE_H_
--- /dev/null
+++ b/include/ltt/ltt-facility-id-core.h
@@ -0,0 +1,24 @@
+#ifndef _LTT_FACILITY_ID_CORE_H_
+#define _LTT_FACILITY_ID_CORE_H_
+
+#ifdef CONFIG_LTT
+#include <linux/ltt-facilities.h>
+
+/**** facility handle ****/
+
+extern ltt_facility_t ltt_facility_core_1A8DE486;
+extern ltt_facility_t ltt_facility_core;
+
+
+/**** event index ****/
+
+enum core_event {
+ event_core_facility_load,
+ event_core_facility_unload,
+ event_core_time_heartbeat,
+ event_core_state_dump_facility_load,
+ facility_core_num_events
+};
+
+#endif //CONFIG_LTT
+#endif //_LTT_FACILITY_ID_CORE_H_
--- /dev/null
+++ b/include/ltt/ltt-facility-select-core.h
@@ -0,0 +1,33 @@
+#ifndef _LTT_FACILITY_SELECT_CORE_H_
+#define _LTT_FACILITY_SELECT_CORE_H_
+
+#ifdef CONFIG_LTT
+#include <linux/ltt-facilities.h>
+#include <ltt/ltt-facility-id-core.h>
+#include <ltt/ltt-tracer.h>
+
+/* ltt_get_index_from_facility
+ *
+ * Get channel index from facility and event id.
+ *
+ * @fID : facility ID
+ * @eID : event number
+ *
+ * Get the channel index into which events must be written for the given
+ * facility and event number. We get this structure offset as soon as possible
+ * and remember it so we pass through this logic only once per trace call (not
+ * for every trace).
+ */
+static inline unsigned int ltt_get_index_from_facility_core(u8 eID)
+{
+ switch (eID) {
+ case event_core_facility_load:
+ case event_core_facility_unload:
+ case event_core_state_dump_facility_load:
+ return GET_CHANNEL_INDEX(facilities);
+ default:
+ return GET_CHANNEL_INDEX(cpu);
+ }
+}
+#endif //CONFIG_LTT
+#endif //_LTT_FACILITY_SELECT_CORE_H_
--END--
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