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-rw-r--r--kernel/trace/rv/monitors/tss/Kconfig14
-rw-r--r--kernel/trace/rv/monitors/tss/tss.c91
-rw-r--r--kernel/trace/rv/monitors/tss/tss.h47
-rw-r--r--kernel/trace/rv/monitors/tss/tss_trace.h15
4 files changed, 0 insertions, 167 deletions
diff --git a/kernel/trace/rv/monitors/tss/Kconfig b/kernel/trace/rv/monitors/tss/Kconfig
deleted file mode 100644
index 479f86f52e60..000000000000
--- a/kernel/trace/rv/monitors/tss/Kconfig
+++ /dev/null
@@ -1,14 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-#
-config RV_MON_TSS
- depends on RV
- depends on RV_MON_SCHED
- default y
- select DA_MON_EVENTS_IMPLICIT
- bool "tss monitor"
- help
- Monitor to ensure sched_switch happens only in scheduling context.
- This monitor is part of the sched monitors collection.
-
- For further information, see:
- Documentation/trace/rv/monitor_sched.rst
diff --git a/kernel/trace/rv/monitors/tss/tss.c b/kernel/trace/rv/monitors/tss/tss.c
deleted file mode 100644
index 542787e6524f..000000000000
--- a/kernel/trace/rv/monitors/tss/tss.c
+++ /dev/null
@@ -1,91 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/ftrace.h>
-#include <linux/tracepoint.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/rv.h>
-#include <rv/instrumentation.h>
-#include <rv/da_monitor.h>
-
-#define MODULE_NAME "tss"
-
-#include <trace/events/sched.h>
-#include <rv_trace.h>
-#include <monitors/sched/sched.h>
-
-#include "tss.h"
-
-static struct rv_monitor rv_tss;
-DECLARE_DA_MON_PER_CPU(tss, unsigned char);
-
-static void handle_sched_switch(void *data, bool preempt,
- struct task_struct *prev,
- struct task_struct *next,
- unsigned int prev_state)
-{
- da_handle_event_tss(sched_switch_tss);
-}
-
-static void handle_schedule_entry(void *data, bool preempt, unsigned long ip)
-{
- da_handle_event_tss(schedule_entry_tss);
-}
-
-static void handle_schedule_exit(void *data, bool is_switch, unsigned long ip)
-{
- da_handle_start_event_tss(schedule_exit_tss);
-}
-
-static int enable_tss(void)
-{
- int retval;
-
- retval = da_monitor_init_tss();
- if (retval)
- return retval;
-
- rv_attach_trace_probe("tss", sched_switch, handle_sched_switch);
- rv_attach_trace_probe("tss", sched_entry_tp, handle_schedule_entry);
- rv_attach_trace_probe("tss", sched_exit_tp, handle_schedule_exit);
-
- return 0;
-}
-
-static void disable_tss(void)
-{
- rv_tss.enabled = 0;
-
- rv_detach_trace_probe("tss", sched_switch, handle_sched_switch);
- rv_detach_trace_probe("tss", sched_entry_tp, handle_schedule_entry);
- rv_detach_trace_probe("tss", sched_exit_tp, handle_schedule_exit);
-
- da_monitor_destroy_tss();
-}
-
-static struct rv_monitor rv_tss = {
- .name = "tss",
- .description = "task switch while scheduling.",
- .enable = enable_tss,
- .disable = disable_tss,
- .reset = da_monitor_reset_all_tss,
- .enabled = 0,
-};
-
-static int __init register_tss(void)
-{
- rv_register_monitor(&rv_tss, &rv_sched);
- return 0;
-}
-
-static void __exit unregister_tss(void)
-{
- rv_unregister_monitor(&rv_tss);
-}
-
-module_init(register_tss);
-module_exit(unregister_tss);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Gabriele Monaco <gmonaco@redhat.com>");
-MODULE_DESCRIPTION("tss: task switch while scheduling.");
diff --git a/kernel/trace/rv/monitors/tss/tss.h b/kernel/trace/rv/monitors/tss/tss.h
deleted file mode 100644
index f0a36fda1b87..000000000000
--- a/kernel/trace/rv/monitors/tss/tss.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Automatically generated C representation of tss automaton
- * For further information about this format, see kernel documentation:
- * Documentation/trace/rv/deterministic_automata.rst
- */
-
-enum states_tss {
- thread_tss = 0,
- sched_tss,
- state_max_tss
-};
-
-#define INVALID_STATE state_max_tss
-
-enum events_tss {
- sched_switch_tss = 0,
- schedule_entry_tss,
- schedule_exit_tss,
- event_max_tss
-};
-
-struct automaton_tss {
- char *state_names[state_max_tss];
- char *event_names[event_max_tss];
- unsigned char function[state_max_tss][event_max_tss];
- unsigned char initial_state;
- bool final_states[state_max_tss];
-};
-
-static const struct automaton_tss automaton_tss = {
- .state_names = {
- "thread",
- "sched"
- },
- .event_names = {
- "sched_switch",
- "schedule_entry",
- "schedule_exit"
- },
- .function = {
- { INVALID_STATE, sched_tss, INVALID_STATE },
- { sched_tss, INVALID_STATE, thread_tss },
- },
- .initial_state = thread_tss,
- .final_states = { 1, 0 },
-};
diff --git a/kernel/trace/rv/monitors/tss/tss_trace.h b/kernel/trace/rv/monitors/tss/tss_trace.h
deleted file mode 100644
index 4619dbb50cc0..000000000000
--- a/kernel/trace/rv/monitors/tss/tss_trace.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-/*
- * Snippet to be included in rv_trace.h
- */
-
-#ifdef CONFIG_RV_MON_TSS
-DEFINE_EVENT(event_da_monitor, event_tss,
- TP_PROTO(char *state, char *event, char *next_state, bool final_state),
- TP_ARGS(state, event, next_state, final_state));
-
-DEFINE_EVENT(error_da_monitor, error_tss,
- TP_PROTO(char *state, char *event),
- TP_ARGS(state, event));
-#endif /* CONFIG_RV_MON_TSS */