trace: add trace directory configuration parameter

[dpdk.git] / lib / librte_eal / common / eal_trace.h

diff --git a/lib/librte_eal/common/eal_trace.h b/lib/librte_eal/common/eal_trace.h
index 4f5da7a..3bccb81 100644 (file)
--- a/lib/librte_eal/common/eal_trace.h
+++ b/lib/librte_eal/common/eal_trace.h
@@ -5,11 +5,17 @@
 #ifndef __EAL_TRACE_H
 #define __EAL_TRACE_H
 
+#include <rte_cycles.h>
+#include <rte_log.h>
+#include <rte_malloc.h>
 #include <rte_spinlock.h>
 #include <rte_trace.h>
 #include <rte_trace_point.h>
 #include <rte_uuid.h>
 
+#include "eal_private.h"
+#include "eal_thread.h"
+
 #define trace_err(fmt, args...) \
        RTE_LOG(ERR, EAL, "%s():%u " fmt "\n", __func__, __LINE__, ## args)
 
@@ -20,6 +26,8 @@
 #define TRACE_DIR_STR_LEN (sizeof("YYYY-mm-dd-AM-HH-MM-SS") + TRACE_PREFIX_LEN)
 #define TRACE_CTF_FIELD_SIZE 384
 #define TRACE_POINT_NAME_SIZE 64
+#define TRACE_CTF_MAGIC 0xC1FC1FC1
+#define TRACE_MAX_ARGS 32
 
 struct trace_point {
        STAILQ_ENTRY(trace_point) next;
@@ -28,6 +36,21 @@ struct trace_point {
        char ctf_field[TRACE_CTF_FIELD_SIZE];
 };
 
+enum trace_area_e {
+       TRACE_AREA_HEAP,
+       TRACE_AREA_HUGEPAGE,
+};
+
+struct thread_mem_meta {
+       void *mem;
+       enum trace_area_e area;
+};
+
+struct trace_args {
+       uint8_t nb_args;
+       char *args[TRACE_MAX_ARGS];
+};
+
 struct trace {
        char dir[PATH_MAX];
        int dir_offset;
@@ -36,7 +59,18 @@ struct trace {
        enum rte_trace_mode mode;
        rte_uuid_t uuid;
        uint32_t buff_len;
+       struct trace_args args;
        uint32_t nb_trace_points;
+       uint32_t nb_trace_mem_list;
+       struct thread_mem_meta *lcore_meta;
+       uint64_t epoch_sec;
+       uint64_t epoch_nsec;
+       uint64_t uptime_ticks;
+       char *ctf_meta;
+       uint32_t ctf_meta_offset_freq;
+       uint32_t ctf_meta_offset_freq_off_s;
+       uint32_t ctf_meta_offset_freq_off;
+       uint16_t ctf_fixup_done;
        rte_spinlock_t lock;
 };
 
@@ -48,6 +82,12 @@ trace_id_get(rte_trace_point_t *trace)
                __RTE_TRACE_FIELD_ID_SHIFT;
 }
 
+static inline size_t
+trace_mem_sz(uint32_t len)
+{
+       return len + sizeof(struct __rte_trace_header);
+}
+
 /* Trace object functions */
 struct trace *trace_obj_get(void);
 
@@ -56,12 +96,22 @@ STAILQ_HEAD(trace_point_head, trace_point);
 struct trace_point_head *trace_list_head_get(void);
 
 /* Util functions */
+const char *trace_mode_to_string(enum rte_trace_mode mode);
+const char *trace_area_to_string(enum trace_area_e area);
+int trace_args_apply(const char *arg);
 bool trace_has_duplicate_entry(void);
 void trace_uuid_generate(void);
+int trace_metadata_create(void);
+void trace_metadata_destroy(void);
 int trace_mkdir(void);
+int trace_epoch_time_save(void);
+void trace_mem_per_thread_free(void);
 
 /* EAL interface */
 int eal_trace_init(void);
 void eal_trace_fini(void);
+int eal_trace_args_save(const char *optarg);
+void eal_trace_args_free(void);
+int eal_trace_dir_args_save(const char *optarg);
 
 #endif /* __EAL_TRACE_H */