git: 0d348c621f4e - stable/14 - loader: Instrument EFI GetRNG with TSLOG

The branch stable/14 has been updated by cperciva:

URL: https://cgit.FreeBSD.org/src/commit/?id=0d348c621f4e79278073b5ad4c9ca90a0e999f02

commit 0d348c621f4e79278073b5ad4c9ca90a0e999f02
Author:     Colin Percival <cperciva@FreeBSD.org>
AuthorDate: 2024-09-18 11:01:55 +0000
Commit:     Colin Percival <cperciva@FreeBSD.org>
CommitDate: 2024-09-29 15:24:52 +0000

    loader: Instrument EFI GetRNG with TSLOG
    
    On some systems, the EFI GetRNG is slow.  Make it show up in flamecharts.
    
    MFC after:      1 week
    Sponsored by:   Amazon
    Differential Revision:  https://reviews.freebsd.org/D46631
    
    (cherry picked from commit b58fe4eb29fbd3236df0f7fdfad4393d2536dbb5)
---
 stand/efi/loader/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/stand/efi/loader/main.c b/stand/efi/loader/main.c
index e4d62f2e940c..27fdb3bfefc9 100644
--- a/stand/efi/loader/main.c
+++ b/stand/efi/loader/main.c
@@ -1267,7 +1267,9 @@ command_seed_entropy(int argc, char *argv[])
 		return (CMD_ERROR);
 	}
 
+	TSENTER2("rng->GetRNG");
 	status = rng->GetRNG(rng, NULL, size, (UINT8 *)buf);
+	TSEXIT();
 	if (status != EFI_SUCCESS) {
 		free(buf);
 		command_errmsg = "GetRNG failed";