sched_balanc...nd_src_group(9)

💅 sched_balance_find_src_group(9)

okay so welcome to the Kernel API Manual bestie, we're looking at sched_balance_find_src_group today (the fancy truncated header on this thing literally reads sched_balanc...nd_src_group(9) — she's mysterious, she's dramatic, she's a kernel function 💀).

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🎀 NAME 🎀

sched_balance_find_src_group — returns the busiest group within the sched_domain if there is an imbalance. that's it, that's the whole vibe check ✨

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🦋 SYNOPSIS 🦋

struct sched_group * sched_balance_find_src_group (struct lb_env *env );

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🌸 ARGUMENTS 🌸

• env — the load balancing environment. that's her, that's the whole context she needs 🫶

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✨ DESCRIPTION ✨

not only does she find the busiest group, she also calculates the amount of runnable load which should be moved to restore balance. multitasking icon behavior, no cap 👑

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🔥 RETURN 🔥

• the busiest group if imbalance exists 💖

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💜 SEE ALSO 💜

kernel file ./kernel/sched/fair.c, plus the whole friend group:

• update_tg_load_avg(9)
• update_cfs_rq_load_avg(9)
• attach_entity_load_avg(9)
• detach_entity_load_avg(9)
• cpu_util(9)
• sched_use_asym_prio(9)
• sched_group_asym(9)
• update_sg_lb_stats(9)
• update_sd_pick_busiest(9)
• idle_cpu_without(9)
• update_sd_lb_stats(9)
• calculate_imbalance(9)

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🌈 that's the page fr fr — brought to you from ./kernel/sched, dated October 2026 🌈

stay balanced bestie, ily, go touch some sched_domain 💅🎀🦋