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-rw-r--r--include/trace/bpf_probe.h6
-rw-r--r--include/trace/perf.h6
-rw-r--r--include/trace/stages/stage1_struct_define.h6
-rw-r--r--include/trace/stages/stage2_data_offsets.h6
-rw-r--r--include/trace/stages/stage3_trace_output.h6
-rw-r--r--include/trace/stages/stage4_event_fields.h6
-rw-r--r--include/trace/stages/stage5_get_offsets.h6
-rw-r--r--include/trace/stages/stage6_event_callback.h20
-rw-r--r--include/trace/stages/stage7_class_define.h2
-rw-r--r--samples/trace_events/trace-events-sample.c2
-rw-r--r--samples/trace_events/trace-events-sample.h34
11 files changed, 91 insertions, 9 deletions
diff --git a/include/trace/bpf_probe.h b/include/trace/bpf_probe.h
index 6a13220d2d27..155c495b89ea 100644
--- a/include/trace/bpf_probe.h
+++ b/include/trace/bpf_probe.h
@@ -21,6 +21,9 @@
#undef __get_bitmask
#define __get_bitmask(field) (char *)__get_dynamic_array(field)
+#undef __get_cpumask
+#define __get_cpumask(field) (char *)__get_dynamic_array(field)
+
#undef __get_sockaddr
#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
@@ -40,6 +43,9 @@
#undef __get_rel_bitmask
#define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
+#undef __get_rel_cpumask
+#define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
+
#undef __get_rel_sockaddr
#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
diff --git a/include/trace/perf.h b/include/trace/perf.h
index 5800d13146c3..8f3bf1e17707 100644
--- a/include/trace/perf.h
+++ b/include/trace/perf.h
@@ -21,6 +21,9 @@
#undef __get_bitmask
#define __get_bitmask(field) (char *)__get_dynamic_array(field)
+#undef __get_cpumask
+#define __get_cpumask(field) (char *)__get_dynamic_array(field)
+
#undef __get_sockaddr
#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
@@ -41,6 +44,9 @@
#undef __get_rel_bitmask
#define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
+#undef __get_rel_cpumask
+#define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
+
#undef __get_rel_sockaddr
#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
diff --git a/include/trace/stages/stage1_struct_define.h b/include/trace/stages/stage1_struct_define.h
index 1b7bab60434c..69e0dae453bf 100644
--- a/include/trace/stages/stage1_struct_define.h
+++ b/include/trace/stages/stage1_struct_define.h
@@ -32,6 +32,9 @@
#undef __bitmask
#define __bitmask(item, nr_bits) __dynamic_array(char, item, -1)
+#undef __cpumask
+#define __cpumask(item) __dynamic_array(char, item, -1)
+
#undef __sockaddr
#define __sockaddr(field, len) __dynamic_array(u8, field, len)
@@ -47,6 +50,9 @@
#undef __rel_bitmask
#define __rel_bitmask(item, nr_bits) __rel_dynamic_array(char, item, -1)
+#undef __rel_cpumask
+#define __rel_cpumask(item) __rel_dynamic_array(char, item, -1)
+
#undef __rel_sockaddr
#define __rel_sockaddr(field, len) __rel_dynamic_array(u8, field, len)
diff --git a/include/trace/stages/stage2_data_offsets.h b/include/trace/stages/stage2_data_offsets.h
index 1b7a8f764fdd..469b6a64293d 100644
--- a/include/trace/stages/stage2_data_offsets.h
+++ b/include/trace/stages/stage2_data_offsets.h
@@ -38,6 +38,9 @@
#undef __bitmask
#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
+#undef __cpumask
+#define __cpumask(item) __dynamic_array(unsigned long, item, -1)
+
#undef __sockaddr
#define __sockaddr(field, len) __dynamic_array(u8, field, len)
@@ -53,5 +56,8 @@
#undef __rel_bitmask
#define __rel_bitmask(item, nr_bits) __rel_dynamic_array(unsigned long, item, -1)
+#undef __rel_cpumask
+#define __rel_cpumask(item) __rel_dynamic_array(unsigned long, item, -1)
+
#undef __rel_sockaddr
#define __rel_sockaddr(field, len) __rel_dynamic_array(u8, field, len)
diff --git a/include/trace/stages/stage3_trace_output.h b/include/trace/stages/stage3_trace_output.h
index e3b183e9d18e..66374df61ed3 100644
--- a/include/trace/stages/stage3_trace_output.h
+++ b/include/trace/stages/stage3_trace_output.h
@@ -42,6 +42,9 @@
trace_print_bitmask_seq(p, __bitmask, __bitmask_size); \
})
+#undef __get_cpumask
+#define __get_cpumask(field) __get_bitmask(field)
+
#undef __get_rel_bitmask
#define __get_rel_bitmask(field) \
({ \
@@ -51,6 +54,9 @@
trace_print_bitmask_seq(p, __bitmask, __bitmask_size); \
})
+#undef __get_rel_cpumask
+#define __get_rel_cpumask(field) __get_rel_bitmask(field)
+
#undef __get_sockaddr
#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
diff --git a/include/trace/stages/stage4_event_fields.h b/include/trace/stages/stage4_event_fields.h
index a8fb25f39a99..f2990d22313c 100644
--- a/include/trace/stages/stage4_event_fields.h
+++ b/include/trace/stages/stage4_event_fields.h
@@ -46,6 +46,9 @@
#undef __bitmask
#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
+#undef __cpumask
+#define __cpumask(item) __dynamic_array(cpumask_t *, item, -1)
+
#undef __sockaddr
#define __sockaddr(field, len) __dynamic_array(u8, field, len)
@@ -64,5 +67,8 @@
#undef __rel_bitmask
#define __rel_bitmask(item, nr_bits) __rel_dynamic_array(unsigned long, item, -1)
+#undef __rel_cpumask
+#define __rel_cpumask(item) __rel_dynamic_array(cpumask_t *, item, -1)
+
#undef __rel_sockaddr
#define __rel_sockaddr(field, len) __rel_dynamic_array(u8, field, len)
diff --git a/include/trace/stages/stage5_get_offsets.h b/include/trace/stages/stage5_get_offsets.h
index fba4c24ed9e6..ac5c24d3beeb 100644
--- a/include/trace/stages/stage5_get_offsets.h
+++ b/include/trace/stages/stage5_get_offsets.h
@@ -82,10 +82,16 @@
#define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, \
__bitmask_size_in_longs(nr_bits))
+#undef __cpumask
+#define __cpumask(item) __bitmask(item, nr_cpumask_bits)
+
#undef __rel_bitmask
#define __rel_bitmask(item, nr_bits) __rel_dynamic_array(unsigned long, item, \
__bitmask_size_in_longs(nr_bits))
+#undef __rel_cpumask
+#define __rel_cpumask(item) __rel_bitmask(item, nr_cpumask_bits)
+
#undef __sockaddr
#define __sockaddr(field, len) __dynamic_array(u8, field, len)
diff --git a/include/trace/stages/stage6_event_callback.h b/include/trace/stages/stage6_event_callback.h
index 3c554a585320..49c32394b53f 100644
--- a/include/trace/stages/stage6_event_callback.h
+++ b/include/trace/stages/stage6_event_callback.h
@@ -57,6 +57,16 @@
#define __assign_bitmask(dst, src, nr_bits) \
memcpy(__get_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
+#undef __cpumask
+#define __cpumask(item) __dynamic_array(unsigned long, item, -1)
+
+#undef __get_cpumask
+#define __get_cpumask(field) (char *)__get_dynamic_array(field)
+
+#undef __assign_cpumask
+#define __assign_cpumask(dst, src) \
+ memcpy(__get_cpumask(dst), (src), __bitmask_size_in_bytes(nr_cpumask_bits))
+
#undef __sockaddr
#define __sockaddr(field, len) __dynamic_array(u8, field, len)
@@ -98,6 +108,16 @@
#define __assign_rel_bitmask(dst, src, nr_bits) \
memcpy(__get_rel_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
+#undef __rel_cpumask
+#define __rel_cpumask(item) __rel_dynamic_array(unsigned long, item, -1)
+
+#undef __get_rel_cpumask
+#define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
+
+#undef __assign_rel_cpumask
+#define __assign_rel_cpumask(dst, src) \
+ memcpy(__get_rel_cpumask(dst), (src), __bitmask_size_in_bytes(nr_cpumask_bits))
+
#undef __rel_sockaddr
#define __rel_sockaddr(field, len) __rel_dynamic_array(u8, field, len)
diff --git a/include/trace/stages/stage7_class_define.h b/include/trace/stages/stage7_class_define.h
index 8a7ec24c246d..8795429f388b 100644
--- a/include/trace/stages/stage7_class_define.h
+++ b/include/trace/stages/stage7_class_define.h
@@ -13,11 +13,13 @@
#undef __get_dynamic_array_len
#undef __get_str
#undef __get_bitmask
+#undef __get_cpumask
#undef __get_sockaddr
#undef __get_rel_dynamic_array
#undef __get_rel_dynamic_array_len
#undef __get_rel_str
#undef __get_rel_bitmask
+#undef __get_rel_cpumask
#undef __get_rel_sockaddr
#undef __print_array
#undef __print_hex_dump
diff --git a/samples/trace_events/trace-events-sample.c b/samples/trace_events/trace-events-sample.c
index 608c4ae3b08a..ecc7db237f2e 100644
--- a/samples/trace_events/trace-events-sample.c
+++ b/samples/trace_events/trace-events-sample.c
@@ -50,7 +50,7 @@ static void do_simple_thread_func(int cnt, const char *fmt, ...)
trace_foo_with_template_print("I have to be different", cnt);
- trace_foo_rel_loc("Hello __rel_loc", cnt, bitmask);
+ trace_foo_rel_loc("Hello __rel_loc", cnt, bitmask, current->cpus_ptr);
}
static void simple_thread_func(int cnt)
diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
index 1a92226202fc..fb4548a44153 100644
--- a/samples/trace_events/trace-events-sample.h
+++ b/samples/trace_events/trace-events-sample.h
@@ -200,6 +200,16 @@
*
* __assign_bitmask(target_cpus, cpumask_bits(bar), nr_cpumask_bits);
*
+ * __cpumask: This is pretty much the same as __bitmask but is specific for
+ * CPU masks. The type displayed to the user via the format files will
+ * be "cpumaks_t" such that user space may deal with them differently
+ * if they choose to do so, and the bits is always set to nr_cpumask_bits.
+ *
+ * __cpumask(target_cpu)
+ *
+ * To assign a cpumask, use the __assign_cpumask() helper macro.
+ *
+ * __assign_cpumask(target_cpus, cpumask_bits(bar));
*
* fast_assign: This is a C like function that is used to store the items
* into the ring buffer. A special variable called "__entry" will be the
@@ -212,8 +222,8 @@
* This is also used to print out the data from the trace files.
* Again, the __entry macro is used to access the data from the ring buffer.
*
- * Note, __dynamic_array, __string, and __bitmask require special helpers
- * to access the data.
+ * Note, __dynamic_array, __string, __bitmask and __cpumask require special
+ * helpers to access the data.
*
* For __dynamic_array(int, foo, bar) use __get_dynamic_array(foo)
* Use __get_dynamic_array_len(foo) to get the length of the array
@@ -226,6 +236,8 @@
*
* For __bitmask(target_cpus, nr_cpumask_bits) use __get_bitmask(target_cpus)
*
+ * For __cpumask(target_cpus) use __get_cpumask(target_cpus)
+ *
*
* Note, that for both the assign and the printk, __entry is the handler
* to the data structure in the ring buffer, and is defined by the
@@ -288,6 +300,7 @@ TRACE_EVENT(foo_bar,
__dynamic_array(int, list, __length_of(lst))
__string( str, string )
__bitmask( cpus, num_possible_cpus() )
+ __cpumask( cpum )
__vstring( vstr, fmt, va )
),
@@ -299,9 +312,10 @@ TRACE_EVENT(foo_bar,
__assign_str(str, string);
__assign_vstr(vstr, fmt, va);
__assign_bitmask(cpus, cpumask_bits(mask), num_possible_cpus());
+ __assign_cpumask(cpum, cpumask_bits(mask));
),
- TP_printk("foo %s %d %s %s %s %s (%s) %s", __entry->foo, __entry->bar,
+ TP_printk("foo %s %d %s %s %s %s (%s) (%s) %s", __entry->foo, __entry->bar,
/*
* Notice here the use of some helper functions. This includes:
@@ -345,7 +359,8 @@ TRACE_EVENT(foo_bar,
__print_array(__get_dynamic_array(list),
__get_dynamic_array_len(list) / sizeof(int),
sizeof(int)),
- __get_str(str), __get_bitmask(cpus), __get_str(vstr))
+ __get_str(str), __get_bitmask(cpus), __get_cpumask(cpus),
+ __get_str(vstr))
);
/*
@@ -542,15 +557,16 @@ DEFINE_EVENT_PRINT(foo_template, foo_with_template_print,
TRACE_EVENT(foo_rel_loc,
- TP_PROTO(const char *foo, int bar, unsigned long *mask),
+ TP_PROTO(const char *foo, int bar, unsigned long *mask, const cpumask_t *cpus),
- TP_ARGS(foo, bar, mask),
+ TP_ARGS(foo, bar, mask, cpus),
TP_STRUCT__entry(
__rel_string( foo, foo )
__field( int, bar )
__rel_bitmask( bitmask,
BITS_PER_BYTE * sizeof(unsigned long) )
+ __rel_cpumask( cpumask )
),
TP_fast_assign(
@@ -558,10 +574,12 @@ TRACE_EVENT(foo_rel_loc,
__entry->bar = bar;
__assign_rel_bitmask(bitmask, mask,
BITS_PER_BYTE * sizeof(unsigned long));
+ __assign_rel_cpumask(cpumask, cpus);
),
- TP_printk("foo_rel_loc %s, %d, %s", __get_rel_str(foo), __entry->bar,
- __get_rel_bitmask(bitmask))
+ TP_printk("foo_rel_loc %s, %d, %s, %s", __get_rel_str(foo), __entry->bar,
+ __get_rel_bitmask(bitmask),
+ __get_rel_cpumask(cpumask))
);
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 07:41:54 +0000