start work on enabling VMCORE and adding support in ustd

[ust.git] / libtracing / relay.h

diff --git a/libtracing/relay.h b/libtracing/relay.h
index cd3baae3f3d180c81dcc585e8d89c1c89e3772e6..4b27b5bc8a7a476e5ded96c5ff7c84cbbe4287b0 100644 (file)
--- a/libtracing/relay.h
+++ b/libtracing/relay.h
@@ -320,7 +320,7 @@ extern const struct file_operations ltt_relay_file_operations;
 struct ltt_channel_buf_struct {
        /* First 32 bytes cache-hot cacheline */
        local_t offset;                 /* Current offset in the buffer */
-       local_t *commit_count;          /* Commit count per sub-buffer */
+//ust//        local_t *commit_count;          /* Commit count per sub-buffer */
        atomic_long_t consumed;         /*
                                         * Current offset in the buffer
                                         * standard atomic access (shared)
@@ -353,6 +353,9 @@ struct ltt_channel_buf_struct {
        int data_ready_fd_write;
        /* the reading end of the pipe */
        int data_ready_fd_read;
+
+       /* commit count per subbuffer; must be at end of struct */
+       local_t commit_count[0] ____cacheline_aligned;
 } ____cacheline_aligned;
 
 int ltt_do_get_subbuf(struct rchan_buf *buf, struct ltt_channel_buf_struct *ltt_buf, long *pconsumed_old);