Lines Matching refs:pr_err
81 pr_err("ftrace only works for %s!\n", in check_ftrace_capable()
343 pr_err("failed to delete tracing/instances directory\n"); in exit_tracing_instance()
366 pr_err("failed to create tracing/instances directory\n"); in init_tracing_instance()
502 pr_err("invalid graph depth: %d\n", ftrace->graph_depth); in set_tracing_depth()
640 pr_err("failed to set ftrace pid\n"); in set_tracing_options()
645 pr_err("failed to set tracing cpumask\n"); in set_tracing_options()
650 pr_err("failed to set tracing option func_stack_trace\n"); in set_tracing_options()
655 pr_err("failed to set tracing option irq-info\n"); in set_tracing_options()
660 pr_err("failed to set tracing filters\n"); in set_tracing_options()
665 pr_err("failed to set graph depth\n"); in set_tracing_options()
670 pr_err("failed to set tracing per-cpu buffer size\n"); in set_tracing_options()
675 pr_err("failed to set tracing option function-fork\n"); in set_tracing_options()
680 pr_err("failed to set tracing option sleep-time\n"); in set_tracing_options()
685 pr_err("failed to set tracing option funcgraph-args\n"); in set_tracing_options()
690 pr_err("failed to set tracing option funcgraph-retval\n"); in set_tracing_options()
695 pr_err("failed to set tracing option funcgraph-retaddr\n"); in set_tracing_options()
700 pr_err("failed to set tracing option funcgraph-irqs\n"); in set_tracing_options()
705 pr_err("failed to set tracing option funcgraph-proc/funcgraph-abstime\n"); in set_tracing_options()
710 pr_err("failed to set tracing thresh\n"); in set_tracing_options()
715 pr_err("failed to set tracing option funcgraph-tail\n"); in set_tracing_options()
754 pr_err("failed to reset ftrace\n"); in __cmd_ftrace()
766 pr_err("failed to set current_tracer to %s\n", ftrace->tracer); in __cmd_ftrace()
774 pr_err("failed to open trace_pipe\n"); in __cmd_ftrace()
783 pr_err("failed to open trace_pipe\n"); in __cmd_ftrace()
795 pr_err("can't enable tracing\n"); in __cmd_ftrace()
805 pr_err("can't enable tracing\n"); in __cmd_ftrace()
831 pr_err("workload failed: %s\n", emsg); in __cmd_ftrace()
1052 pr_err("failed to reset ftrace\n"); in prepare_func_latency()
1065 pr_err("failed to set current_tracer to function_graph\n"); in prepare_func_latency()
1071 pr_err("failed to open trace_pipe\n"); in prepare_func_latency()
1077 pr_err("failed to open trace_pipe\n"); in prepare_func_latency()
1091 pr_err("can't enable tracing\n"); in start_func_latency()
1148 pr_err("failed to allocate memory for the buckets\n"); in __cmd_latency()
1170 pr_err("workload failed: %s\n", emsg); in __cmd_latency()
1381 pr_err("failed to allocate memory for the result\n"); in print_profile_result()
1427 pr_err("failed to prepare func profiler\n"); in __cmd_profile()
1435 pr_err("failed to reset ftrace\n"); in __cmd_profile()
1447 pr_err("failed to set current_tracer to %s\n", ftrace->tracer); in __cmd_profile()
1455 pr_err("failed to open trace_pipe\n"); in __cmd_profile()
1464 pr_err("failed to open trace_pipe\n"); in __cmd_profile()
1471 pr_err("can't enable tracing\n"); in __cmd_profile()
1494 pr_err("workload failed: %s\n", emsg); in __cmd_profile()
1536 pr_err("Please select \"function_graph\" (default) or \"function\"\n"); in perf_ftrace_config()
1564 pr_err("Filter parse error at %td.\n", err - str + 1); in opt_list_avail_functions()
1565 pr_err("Source: \"%s\"\n", str); in opt_list_avail_functions()
1566 pr_err(" %*c\n", (int)(err - str + 1), '^'); in opt_list_avail_functions()
1654 pr_err("buffer size too small, must larger than 1KB."); in parse_buffer_size()
1732 pr_err("Unknown sort key: %s\n", str); in parse_sort_key()
1864 pr_err("ftrace is not supported on this system\n"); in cmd_ftrace()
1909 pr_err("Should provide a function or events to measure\n"); in cmd_ftrace()
1916 pr_err("Please specify either of function or events\n"); in cmd_ftrace()
1923 pr_err("Event processing needs BPF\n"); in cmd_ftrace()
1930 pr_err("--min-latency works only with --bucket-range\n"); in cmd_ftrace()
1941 pr_err("--max-latency works only with --bucket-range\n"); in cmd_ftrace()
1950 pr_err("--max-latency must be larger than min-latency + bucket-range\n"); in cmd_ftrace()
1974 pr_err("Invalid subcommand\n"); in cmd_ftrace()
1984 pr_err("%s\n", errbuf); in cmd_ftrace()