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dtrace: update siftr probe

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This adds the changes corresponding to
https://cgit.freebsd.org/src/commit/?id=1241e8e7aed5d709a6cf62024e9ae750981c03ae
to the siftr probe.

Reviewed by:		rscheff
Sponsored by:		Netflix, Inc.
Differential Revision:	https://reviews.freebsd.org/D40823
This commit is contained in:
Michael Tuexen 2023-07-01 02:26:52 +02:00
parent 0631830a7a
commit cade9a8e37
2 changed files with 12 additions and 13 deletions
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12
cddl/lib/libdtrace/siftr.d
View File

@ -47,11 +47,11 @@ typedef struct siftrinfo {
uint32_t hash;
uint16_t tcp_localport;
uint16_t tcp_foreignport;
uint64_t snd_cwnd;
u_long snd_wnd;
u_long rcv_wnd;
u_long snd_bwnd;
u_long snd_ssthresh;
uint32_t snd_cwnd;
uint32_t snd_wnd;
uint32_t rcv_wnd;
uint32_t t_flags2;
uint32_t snd_ssthresh;
int conn_state;
u_int max_seg_size;
int smoothed_rtt;
@ -80,7 +80,7 @@ translator siftrinfo_t < struct pkt_node *p > {
snd_cwnd = p == NULL ? 0 : p->snd_cwnd;
snd_wnd = p == NULL ? 0 : p->snd_wnd;
rcv_wnd = p == NULL ? 0 : p->rcv_wnd;
snd_bwnd = p == NULL ? 0 : p->snd_bwnd;
t_flags2 = p == NULL ? 0 : p->t_flags2;
snd_ssthresh = p == NULL ? 0 : p->snd_ssthresh;
conn_state = p == NULL ? 0 : p->conn_state;
max_seg_size = p == NULL ? 0 : p->max_seg_size;

13
share/man/man4/dtrace_tcp.4
View File

@ -325,19 +325,18 @@ Hash of the packet that triggered the log message.
The TCP port that the local host is communicating via.
.It Vt uint16_t tcp_foreignport
The TCP port that the foreign host is communicating via.
.It Vt uint64_t snd_cwnd
.It Vt uint32_t snd_cwnd
The current congestion window (CWND) for the flow, in bytes.
.It Vt u_long snd_wnd
.It Vt uint32_t snd_wnd
The current sending window for the flow, in bytes.
The post scaled value is reported, except during the initial handshake (first
few packets), during which time the unscaled value is reported.
.It Vt u_long rcv_wnd
.It Vt uint32_t rcv_wnd
The current receive window for the flow, in bytes.
The post scaled value is always reported.
.It Vt u_long snd_bwnd
The current bandwidth-controlled window for the flow, in bytes.
This field is currently unused and reported as zero.
.It Vt u_long snd_ssthresh
.It Vt uint32_t t_flags2
The current value of the t_flags2 for the flow.
.It Vt uint32_t snd_ssthresh
The slow start threshold (SSTHRESH) for the flow, in bytes.
.It Vt int conn_state
A TCP state.