drivers/interconnect/trace.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Interconnect framework tracepoints
0004  * Copyright (c) 2019, Linaro Ltd.
0005  * Author: Georgi Djakov <georgi.djakov@linaro.org>
0006  */
0007
0008 #undef TRACE_SYSTEM
0009 #define TRACE_SYSTEM interconnect
0010
0011 #if !defined(_TRACE_INTERCONNECT_H) || defined(TRACE_HEADER_MULTI_READ)
0012 #define _TRACE_INTERCONNECT_H
0013
0014 #include <linux/interconnect.h>
0015 #include <linux/tracepoint.h>
0016
0017 TRACE_EVENT(icc_set_bw,
0018
0019     TP_PROTO(struct icc_path *p, struct icc_node *n, int i,
0020          u32 avg_bw, u32 peak_bw),
0021
0022     TP_ARGS(p, n, i, avg_bw, peak_bw),
0023
0024     TP_STRUCT__entry(
0025         __string(path_name, p->name)
0026         __string(dev, dev_name(p->reqs[i].dev))
0027         __string(node_name, n->name)
0028         __field(u32, avg_bw)
0029         __field(u32, peak_bw)
0030         __field(u32, node_avg_bw)
0031         __field(u32, node_peak_bw)
0032     ),
0033
0034     TP_fast_assign(
0035         __assign_str(path_name, p->name);
0036         __assign_str(dev, dev_name(p->reqs[i].dev));
0037         __assign_str(node_name, n->name);
0038         __entry->avg_bw = avg_bw;
0039         __entry->peak_bw = peak_bw;
0040         __entry->node_avg_bw = n->avg_bw;
0041         __entry->node_peak_bw = n->peak_bw;
0042     ),
0043
0044     TP_printk("path=%s dev=%s node=%s avg_bw=%u peak_bw=%u agg_avg=%u agg_peak=%u",
0045           __get_str(path_name),
0046           __get_str(dev),
0047           __get_str(node_name),
0048           __entry->avg_bw,
0049           __entry->peak_bw,
0050           __entry->node_avg_bw,
0051           __entry->node_peak_bw)
0052 );
0053
0054 TRACE_EVENT(icc_set_bw_end,
0055
0056     TP_PROTO(struct icc_path *p, int ret),
0057
0058     TP_ARGS(p, ret),
0059
0060     TP_STRUCT__entry(
0061         __string(path_name, p->name)
0062         __string(dev, dev_name(p->reqs[0].dev))
0063         __field(int, ret)
0064     ),
0065
0066     TP_fast_assign(
0067         __assign_str(path_name, p->name);
0068         __assign_str(dev, dev_name(p->reqs[0].dev));
0069         __entry->ret = ret;
0070     ),
0071
0072     TP_printk("path=%s dev=%s ret=%d",
0073           __get_str(path_name),
0074           __get_str(dev),
0075           __entry->ret)
0076 );
0077
0078 #endif /* _TRACE_INTERCONNECT_H */
0079
0080 /* This part must be outside protection */
0081
0082 #undef TRACE_INCLUDE_PATH
0083 #define TRACE_INCLUDE_PATH .
0084
0085 #undef TRACE_INCLUDE_FILE
0086 #define TRACE_INCLUDE_FILE trace
0087
0088 #include <trace/define_trace.h>