drivers/interconnect/trace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Interconnect framework tracepoints
   4  * Copyright (c) 2019, Linaro Ltd.
   5  * Author: Georgi Djakov <georgi.djakov@linaro.org>
   6  */
   7
   8 #undef TRACE_SYSTEM
   9 #define TRACE_SYSTEM interconnect
  10
  11 #if !defined(_TRACE_INTERCONNECT_H) || defined(TRACE_HEADER_MULTI_READ)
  12 #define _TRACE_INTERCONNECT_H
  13
  14 #include <linux/interconnect.h>
  15 #include <linux/tracepoint.h>
  16
  17 TRACE_EVENT(icc_set_bw,
  18
  19         TP_PROTO(struct icc_path *p, struct icc_node *n, int i,
  20                  u32 avg_bw, u32 peak_bw),
  21
  22         TP_ARGS(p, n, i, avg_bw, peak_bw),
  23
  24         TP_STRUCT__entry(
  25                 __string(path_name, p->name)
  26                 __string(dev, dev_name(p->reqs[i].dev))
  27                 __string(node_name, n->name)
  28                 __field(u32, avg_bw)
  29                 __field(u32, peak_bw)
  30                 __field(u32, node_avg_bw)
  31                 __field(u32, node_peak_bw)
  32         ),
  33
  34         TP_fast_assign(
  35                 __assign_str(path_name, p->name);
  36                 __assign_str(dev, dev_name(p->reqs[i].dev));
  37                 __assign_str(node_name, n->name);
  38                 __entry->avg_bw = avg_bw;
  39                 __entry->peak_bw = peak_bw;
  40                 __entry->node_avg_bw = n->avg_bw;
  41                 __entry->node_peak_bw = n->peak_bw;
  42         ),
  43
  44         TP_printk("path=%s dev=%s node=%s avg_bw=%u peak_bw=%u agg_avg=%u agg_peak=%u",
  45                   __get_str(path_name),
  46                   __get_str(dev),
  47                   __get_str(node_name),
  48                   __entry->avg_bw,
  49                   __entry->peak_bw,
  50                   __entry->node_avg_bw,
  51                   __entry->node_peak_bw)
  52 );
  53
  54 TRACE_EVENT(icc_set_bw_end,
  55
  56         TP_PROTO(struct icc_path *p, int ret),
  57
  58         TP_ARGS(p, ret),
  59
  60         TP_STRUCT__entry(
  61                 __string(path_name, p->name)
  62                 __string(dev, dev_name(p->reqs[0].dev))
  63                 __field(int, ret)
  64         ),
  65
  66         TP_fast_assign(
  67                 __assign_str(path_name, p->name);
  68                 __assign_str(dev, dev_name(p->reqs[0].dev));
  69                 __entry->ret = ret;
  70         ),
  71
  72         TP_printk("path=%s dev=%s ret=%d",
  73                   __get_str(path_name),
  74                   __get_str(dev),
  75                   __entry->ret)
  76 );
  77
  78 #endif /* _TRACE_INTERCONNECT_H */
  79
  80 /* This part must be outside protection */
  81
  82 #undef TRACE_INCLUDE_PATH
  83 #define TRACE_INCLUDE_PATH .
  84
  85 #undef TRACE_INCLUDE_FILE
  86 #define TRACE_INCLUDE_FILE trace
  87
  88 #include <trace/define_trace.h>