PROBE::NETDEV.TRAN(3stap)

💖 probe::netdev.transmit — the 3stap manual, but make it cute ✨

okay bestie, welcome to the Networking Tapset corner of the 3stap manuals 🌸 this one is probe::netdev.transmit, and yes the section number is literally 3stap — that's the SystemTap tapset manual family, iykyk 🫶

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✨ NAME ✨

probe::netdev.transmit — Network device transmitting buffer 📡

like... your NIC is getting ready to yeet a packet out into the world and this probe is the lil backstage pass to that moment 💅

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🎀 SYNOPSIS 🎀

probe netdev.transmit {}

that's it, that's the whole vibe. no args, no drama, just the probe firing when a network device is transmitting a buffer 🌈

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🦋 VALUES 🦋

okay so when this probe fires, you get handed these lil variables — here's the tea on each one ☕

• dev_name — the name of the device. like, which one is doing the transmitting. examples given are eth0 and ath1 💫
• length — the length of the transmit buffer. how big the buffer is, fr fr 📏
• protocol — the protocol of this packet, and ngl it's defined in include/linux/if_ether.h if you wanna go look at the source, queen 👑
• truesize — the size of the data to be transmitted. yes it's different from length, no I will not elaborate, the manpage said what it said 🫶

reminder bestie: these are the only values listed. don't be out here inventing extra ones, that's not the move 🙈

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👑 SEE ALSO 👑

• tapset::networking(3stap) — the main networking tapset page, go read it, it's giving comprehensive 💜

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and that's a wrap on the SystemTap Tapset Reference, version info as shown (Ver), dated September 2026 ✨ mwah, love u, go trace some packets 💖🎀🦋