X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=wrapper%2Ftrace-clock.h;h=a98f034e674d92ef715d58d1581b596df6e68617;hb=HEAD;hp=18cda2aa1355dc98306ab8fe3a1b24f2e9ecdb9b;hpb=f3bc08c50e1b302bceea699027d889fd6d9af525;p=lttng-modules.git

diff --git a/wrapper/trace-clock.h b/wrapper/trace-clock.h
deleted file mode 100644
index 18cda2aa..00000000
--- a/wrapper/trace-clock.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
- *
- * Contains LTTng trace clock mapping to LTTng trace clock or mainline monotonic
- * clock. This wrapper depends on CONFIG_HIGH_RES_TIMERS=y.
- *
- * Dual LGPL v2.1/GPL v2 license.
- */
-
-#ifndef _LTT_TRACE_CLOCK_H
-#define _LTT_TRACE_CLOCK_H
-
-#ifdef CONFIG_HAVE_TRACE_CLOCK
-#include <linux/trace-clock.h>
-#else /* CONFIG_HAVE_TRACE_CLOCK */
-
-#include <linux/hardirq.h>
-#include <linux/ktime.h>
-#include <linux/time.h>
-#include <linux/hrtimer.h>
-
-static inline u64 trace_clock_monotonic_wrapper(void)
-{
-	ktime_t ktime;
-
-	/*
-	 * Refuse to trace from NMIs with this wrapper, because an NMI could
-	 * nest over the xtime write seqlock and deadlock.
-	 */
-	if (in_nmi())
-		return 0;
-
-	ktime = ktime_get();
-	return (u64) ktime.tv64;
-}
-
-static inline u32 trace_clock_read32(void)
-{
-	return (u32) trace_clock_monotonic_wrapper();
-}
-
-static inline u64 trace_clock_read64(void)
-{
-	return (u64) trace_clock_monotonic_wrapper();
-}
-
-static inline u64 trace_clock_frequency(void)
-{
-	return (u64)NSEC_PER_SEC;
-}
-
-static inline u32 trace_clock_freq_scale(void)
-{
-	return 1;
-}
-
-static inline int get_trace_clock(void)
-{
-	printk(KERN_WARNING "LTTng: Using mainline kernel monotonic clock.\n");
-	printk(KERN_WARNING "  * NMIs will not be traced,\n");
-	printk(KERN_WARNING "  * expect significant performance degradation compared to the\n");
-	printk(KERN_WARNING "    LTTng trace clocks.\n");
-	printk(KERN_WARNING "You should consider deploying a kernel with the the LTTng kernel\n");
-	printk(KERN_WARNING "patches, or, better, ask the Linux tracing maintainers to integrate\n");
-	printk(KERN_WARNING "them if you care deeply about this.\n");
-
-#warning "LTTng: Using mainline kernel monotonic clock. NMIs will not be traced, and expect significant performance degradation compared to the LTTng trace clocks. You should consider deploying a kernel with the the LTTng kernel patches, or, better, ask the Linux tracing maintainers to integrate them if you care deeply about this."
-
-	return 0;
-}
-
-static inline void put_trace_clock(void)
-{
-}
-
-#endif /* CONFIG_HAVE_TRACE_CLOCK */
-
-#endif /* _LTT_TRACE_CLOCK_H */